#include <stdio.h>
#include <stdlib.h>
#include <math.h>
+#include "config.h"
#include "debug.h"
#include "string.h"
#include "draw_info.h"
#include "point.h"
#include "graphics.h"
#include "projection.h"
+#include "item.h"
#include "map.h"
#include "coord.h"
#include "transform.h"
#include "route.h"
#include "util.h"
#include "callback.h"
+#include "file.h"
+#include "event.h"
+
//##############################################################################################################
//# Description:
{
struct graphics_priv *priv;
struct graphics_methods meth;
- struct graphics_font *font[16];
+ char *default_font;
+ int font_len;
+ struct graphics_font **font;
struct graphics_gc *gc[3];
struct attr **attrs;
struct callback_list *cbl;
- int ready;
+ struct point_rect r;
+ int gamma,brightness,contrast;
+ int colormgmt;
+ GList *selection;
};
-//##############################################################################################################
-//# Description:
-//# Comment:
-//# Authors: Martin Schaller (04/2008)
-//##############################################################################################################
+
+struct display_context
+{
+ struct graphics *gra;
+ struct element *e;
+ struct graphics_gc *gc;
+ struct graphics_image *img;
+ enum projection pro;
+ int mindist;
+ struct transformation *trans;
+ enum item_type type;
+ int maxlen;
+};
+
struct displaylist {
GHashTable *dl;
+ int busy;
+ int workload;
+ struct callback *cb;
+ struct layout *layout;
+ struct display_context dc;
+ int order;
+ struct mapset *ms;
+ struct mapset_handle *msh;
+ struct map *m;
+ int conv;
+ struct map_selection *sel;
+ struct map_rect *mr;
+ struct callback *idle_cb;
+ struct event_idle *idle_ev;
};
-//##############################################################################################################
-//# Description: Creates a new graphics object
-//# Comment: attr type required
-//# Authors: Martin Schaller (04/2008)
-//##############################################################################################################
+
+
+static void draw_circle(struct point *pnt, int diameter, int scale, int start, int len, struct point *res, int *pos, int dir);
+static void graphics_process_selection(struct graphics *gra, struct displaylist *dl);
+
+static int
+graphics_set_attr_do(struct graphics *gra, struct attr *attr)
+{
+ switch (attr->type) {
+ case attr_gamma:
+ gra->gamma=attr->u.num;
+ break;
+ case attr_brightness:
+ gra->brightness=attr->u.num;
+ break;
+ case attr_contrast:
+ gra->contrast=attr->u.num;
+ break;
+ default:
+ return 0;
+ }
+ gra->colormgmt=(gra->gamma != 65536 || gra->brightness != 0 || gra->contrast != 65536);
+ return 1;
+}
+
+int
+graphics_set_attr(struct graphics *gra, struct attr *attr)
+{
+ int ret=1;
+ dbg(0,"enter\n");
+ if (gra->meth.set_attr)
+ ret=gra->meth.set_attr(gra->priv, attr);
+ if (!ret)
+ ret=graphics_set_attr_do(gra, attr);
+ return ret != 0;
+}
+
+void
+graphics_set_rect(struct graphics *gra, struct point_rect *pr)
+{
+ gra->r=*pr;
+}
+
+/**
+ * Creates a new graphics object
+ * attr type required
+ * @param <>
+ * @returns <>
+ * @author Martin Schaller (04/2008)
+*/
struct graphics * graphics_new(struct attr *parent, struct attr **attrs)
{
struct graphics *this_;
struct attr *type_attr;
- struct graphics_priv * (*graphicstype_new)(struct navit *nav, struct graphics_methods *meth, struct attr **attrs);
+ struct graphics_priv * (*graphicstype_new)(struct navit *nav, struct graphics_methods *meth, struct attr **attrs, struct callback_list *cbl);
if (! (type_attr=attr_search(attrs, NULL, attr_type))) {
return NULL;
return NULL;
this_=g_new0(struct graphics, 1);
this_->cbl=callback_list_new();
- this_->priv=(*graphicstype_new)(parent->u.navit, &this_->meth, attrs);
+ this_->priv=(*graphicstype_new)(parent->u.navit, &this_->meth, attrs, this_->cbl);
this_->attrs=attr_list_dup(attrs);
+ this_->brightness=0;
+ this_->contrast=65536;
+ this_->gamma=65536;
+ while (*attrs) {
+ graphics_set_attr_do(this_,*attrs);
+ attrs++;
+ }
return this_;
}
-//##############################################################################################################
-//# Description:
-//# Comment:
-//# Authors: Martin Schaller (04/2008)
-//##############################################################################################################
+/**
+ * FIXME
+ * @param <>
+ * @returns <>
+ * @author Martin Schaller (04/2008)
+*/
int graphics_get_attr(struct graphics *this_, enum attr_type type, struct attr *attr, struct attr_iter *iter)
{
- return attr_generic_get_attr(this_->attrs, type, attr, iter);
+ return attr_generic_get_attr(this_->attrs, NULL, type, attr, iter);
}
-//##############################################################################################################
-//# Description:
-//# Comment:
-//# Authors: Martin Schaller (04/2008)
-//##############################################################################################################
-struct graphics * graphics_overlay_new(struct graphics *parent, struct point *p, int w, int h)
+/**
+ * FIXME
+ * @param <>
+ * @returns <>
+ * @author Martin Schaller (04/2008)
+*/
+struct graphics * graphics_overlay_new(struct graphics *parent, struct point *p, int w, int h, int alpha, int wraparound)
{
struct graphics *this_;
+ if (!parent->meth.overlay_new)
+ return NULL;
this_=g_new0(struct graphics, 1);
- this_->priv=parent->meth.overlay_new(parent->priv, &this_->meth, p, w, h);
+ this_->priv=parent->meth.overlay_new(parent->priv, &this_->meth, p, w, h, alpha, wraparound);
+ if (!this_->priv) {
+ g_free(this_);
+ this_=NULL;
+ }
return this_;
}
-//##############################################################################################################
-//# Description:
-//# Comment:
-//# Authors: Martin Schaller (04/2008)
-//##############################################################################################################
+/**
+ * @brief Alters the size, position, alpha and wraparound for an overlay
+ *
+ * @param this_ The overlay's graphics struct
+ * @param p The new position of the overlay
+ * @param w The new width of the overlay
+ * @param h The new height of the overlay
+ * @param alpha The new alpha of the overlay
+ * @param wraparound The new wraparound of the overlay
+ */
+void
+graphics_overlay_resize(struct graphics *this_, struct point *p, int w, int h, int alpha, int wraparound)
+{
+ if (! this_->meth.overlay_resize) {
+ return;
+ }
+
+ this_->meth.overlay_resize(this_->priv, p, w, h, alpha, wraparound);
+}
+
+
+/**
+ * FIXME
+ * @param <>
+ * @returns <>
+ * @author Martin Schaller (04/2008)
+*/
void graphics_init(struct graphics *this_)
{
+ if (this_->gc[0])
+ return;
this_->gc[0]=graphics_gc_new(this_);
- graphics_gc_set_background(this_->gc[0], &(struct color) { 0xffff, 0xefef, 0xb7b7 });
- graphics_gc_set_foreground(this_->gc[0], &(struct color) { 0xffff, 0xefef, 0xb7b7 });
+ graphics_gc_set_background(this_->gc[0], &(struct color) { 0xffff, 0xefef, 0xb7b7, 0xffff});
+ graphics_gc_set_foreground(this_->gc[0], &(struct color) { 0xffff, 0xefef, 0xb7b7, 0xffff });
this_->gc[1]=graphics_gc_new(this_);
- graphics_gc_set_background(this_->gc[1], &(struct color) { 0x0000, 0x0000, 0x0000 });
- graphics_gc_set_foreground(this_->gc[1], &(struct color) { 0xffff, 0xffff, 0xffff });
+ graphics_gc_set_background(this_->gc[1], &(struct color) { 0x0000, 0x0000, 0x0000, 0xffff });
+ graphics_gc_set_foreground(this_->gc[1], &(struct color) { 0xffff, 0xffff, 0xffff, 0xffff });
this_->gc[2]=graphics_gc_new(this_);
- graphics_gc_set_background(this_->gc[2], &(struct color) { 0xffff, 0xffff, 0xffff });
- graphics_gc_set_foreground(this_->gc[2], &(struct color) { 0xffff, 0xffff, 0xffff });
- this_->meth.background_gc(this_->priv, this_->gc[0]->priv);
+ graphics_gc_set_background(this_->gc[2], &(struct color) { 0xffff, 0xffff, 0xffff, 0xffff });
+ graphics_gc_set_foreground(this_->gc[2], &(struct color) { 0x0000, 0x0000, 0x0000, 0xffff });
+ graphics_background_gc(this_, this_->gc[0]);
}
-//##############################################################################################################
-//# Description:
-//# Comment:
-//# Authors: Martin Schaller (04/2008)
-//##############################################################################################################
+/**
+ * FIXME
+ * @param <>
+ * @returns <>
+ * @author Martin Schaller (04/2008)
+*/
void * graphics_get_data(struct graphics *this_, char *type)
{
return (this_->meth.get_data(this_->priv, type));
}
-//##############################################################################################################
-//# Description:
-//# Comment:
-//# Authors: Martin Schaller (04/2008)
-//##############################################################################################################
-void graphics_register_resize_callback(struct graphics *this_, void (*callback)(void *data, int w, int h), void *data)
-{
- this_->meth.register_resize_callback(this_->priv, callback, data);
-}
-
-//##############################################################################################################
-//# Description:
-//# Comment: Called in navit.c
-//# Authors: Martin Schaller (04/2008)
-//##############################################################################################################
-void graphics_register_button_callback(struct graphics *this_, void (*callback)(void *data, int pressed, int button, struct point *p), void *data)
-{
- this_->meth.register_button_callback(this_->priv, callback, data);
-}
-
-//##############################################################################################################
-//# Description:
-//# Comment:
-//# Authors: Martin Schaller (04/2008)
-//##############################################################################################################
-void graphics_register_motion_callback(struct graphics *this_, void (*callback)(void *data, struct point *p), void *data)
-{
- this_->meth.register_motion_callback(this_->priv, callback, data);
-}
-
-//##############################################################################################################
-//# Description:
-//# Comment:
-//# Authors: Martin Schaller (04/2008)
-//##############################################################################################################
-void graphics_register_keypress_callback(struct graphics *this_, void (*callback)(void *data, char *key), void *data)
+void graphics_add_callback(struct graphics *this_, struct callback *cb)
{
- this_->meth.register_keypress_callback(this_->priv, callback, data);
+ callback_list_add(this_->cbl, cb);
}
-void graphics_add_callback(struct graphics *this_, struct callback *cb)
+void graphics_remove_callback(struct graphics *this_, struct callback *cb)
{
- callback_list_add(this_->cbl, cb);
+ callback_list_remove(this_->cbl, cb);
}
-//##############################################################################################################
-//# Description:
-//# Comment:
-//# Authors: Martin Schaller (04/2008)
-//##############################################################################################################
+/**
+ * FIXME
+ * @param <>
+ * @returns <>
+ * @author Martin Schaller (04/2008)
+*/
struct graphics_font * graphics_font_new(struct graphics *gra, int size, int flags)
{
struct graphics_font *this_;
this_=g_new0(struct graphics_font,1);
- this_->priv=gra->meth.font_new(gra->priv, &this_->meth, size, flags);
+ this_->priv=gra->meth.font_new(gra->priv, &this_->meth, gra->default_font, size, flags);
return this_;
}
-//##############################################################################################################
-//# Description:
-//# Comment:
-//# Authors: Martin Schaller (04/2008)
-//##############################################################################################################
+/**
+ * Free all loaded fonts.
+ * Used when switching layouts.
+ * @param gra The graphics instance
+ * @returns nothing
+ * @author Sarah Nordstrom (05/2008)
+ */
+void graphics_font_destroy_all(struct graphics *gra)
+{
+ int i;
+ for(i = 0 ; i < gra->font_len; i++) {
+ if(!gra->font[i]) continue;
+ gra->font[i]->meth.font_destroy(gra->font[i]->priv);
+ gra->font[i] = NULL;
+ }
+}
+
+/**
+ * FIXME
+ * @param <>
+ * @returns <>
+ * @author Martin Schaller (04/2008)
+*/
struct graphics_gc * graphics_gc_new(struct graphics *gra)
{
struct graphics_gc *this_;
this_=g_new0(struct graphics_gc,1);
this_->priv=gra->meth.gc_new(gra->priv, &this_->meth);
+ this_->gra=gra;
return this_;
}
-//##############################################################################################################
-//# Description:
-//# Comment:
-//# Authors: Martin Schaller (04/2008)
-//##############################################################################################################
+/**
+ * FIXME
+ * @param <>
+ * @returns <>
+ * @author Martin Schaller (04/2008)
+*/
void graphics_gc_destroy(struct graphics_gc *gc)
{
gc->meth.gc_destroy(gc->priv);
g_free(gc);
}
-//##############################################################################################################
-//# Description:
-//# Comment:
-//# Authors: Martin Schaller (04/2008)
-//##############################################################################################################
+static void
+graphics_convert_color(struct graphics *gra, struct color *in, struct color *out)
+{
+ *out=*in;
+ if (gra->brightness) {
+ out->r+=gra->brightness;
+ out->g+=gra->brightness;
+ out->b+=gra->brightness;
+ }
+ if (gra->contrast != 65536) {
+ out->r=out->r*gra->contrast/65536;
+ out->g=out->g*gra->contrast/65536;
+ out->b=out->b*gra->contrast/65536;
+ }
+ if (out->r < 0)
+ out->r=0;
+ if (out->r > 65535)
+ out->r=65535;
+ if (out->g < 0)
+ out->g=0;
+ if (out->g > 65535)
+ out->g=65535;
+ if (out->b < 0)
+ out->b=0;
+ if (out->b > 65535)
+ out->b=65535;
+ if (gra->gamma != 65536) {
+ out->r=pow(out->r/65535.0,gra->gamma/65536.0)*65535.0;
+ out->g=pow(out->g/65535.0,gra->gamma/65536.0)*65535.0;
+ out->b=pow(out->b/65535.0,gra->gamma/65536.0)*65535.0;
+ }
+}
+
+/**
+ * FIXME
+ * @param <>
+ * @returns <>
+ * @author Martin Schaller (04/2008)
+*/
void graphics_gc_set_foreground(struct graphics_gc *gc, struct color *c)
{
+ struct color cn;
+ if (gc->gra->colormgmt) {
+ graphics_convert_color(gc->gra, c, &cn);
+ c=&cn;
+ }
gc->meth.gc_set_foreground(gc->priv, c);
}
-//##############################################################################################################
-//# Description:
-//# Comment:
-//# Authors: Martin Schaller (04/2008)
-//##############################################################################################################
+/**
+ * FIXME
+ * @param <>
+ * @returns <>
+ * @author Martin Schaller (04/2008)
+*/
void graphics_gc_set_background(struct graphics_gc *gc, struct color *c)
{
+ struct color cn;
+ if (gc->gra->colormgmt) {
+ graphics_convert_color(gc->gra, c, &cn);
+ c=&cn;
+ }
gc->meth.gc_set_background(gc->priv, c);
}
-//##############################################################################################################
-//# Description:
-//# Comment:
-//# Authors: Martin Schaller (04/2008)
-//##############################################################################################################
+
+/**
+ * FIXME
+ * @param <>
+ * @returns <>
+ * @author Martin Schaller (04/2008)
+*/
+void graphics_gc_set_stipple(struct graphics_gc *gc, struct graphics_image *img)
+{
+ gc->meth.gc_set_stipple(gc->priv, img ? img->priv : NULL);
+}
+
+
+/**
+ * FIXME
+ * @param <>
+ * @returns <>
+ * @author Martin Schaller (04/2008)
+*/
void graphics_gc_set_linewidth(struct graphics_gc *gc, int width)
{
gc->meth.gc_set_linewidth(gc->priv, width);
}
-//##############################################################################################################
-//# Description:
-//# Comment:
-//# Authors: Martin Schaller (04/2008)
-//##############################################################################################################
+/**
+ * FIXME
+ * @param <>
+ * @returns <>
+ * @author Martin Schaller (04/2008)
+*/
void graphics_gc_set_dashes(struct graphics_gc *gc, int width, int offset, unsigned char dash_list[], int n)
{
if (gc->meth.gc_set_dashes)
gc->meth.gc_set_dashes(gc->priv, width, offset, dash_list, n);
}
-//##############################################################################################################
-//# Description: Create a new image from file path scaled to w and h pixels
-//# Comment:
-//# Authors: Martin Schaller (04/2008)
-//##############################################################################################################
+/**
+ * Create a new image from file path scaled to w and h pixels
+ * @param gra the graphics instance
+ * @param path path of the image to load
+ * @param w width to rescale to
+ * @param h height to rescale to
+ * @returns <>
+ * @author Martin Schaller (04/2008)
+*/
struct graphics_image * graphics_image_new_scaled(struct graphics *gra, char *path, int w, int h)
{
struct graphics_image *this_;
this_=g_new0(struct graphics_image,1);
this_->height=h;
this_->width=w;
- this_->priv=gra->meth.image_new(gra->priv, &this_->meth, path, &this_->width, &this_->height, &this_->hot);
+ this_->priv=gra->meth.image_new(gra->priv, &this_->meth, path, &this_->width, &this_->height, &this_->hot, 0);
if (! this_->priv) {
g_free(this_);
this_=NULL;
return this_;
}
-//##############################################################################################################
-//# Description: Create a new image from file path
-//# Comment:
-//# Authors: Martin Schaller (04/2008)
-//##############################################################################################################
+/**
+ * Create a new image from file path scaled to w and h pixels and possibly rotated
+ * @param gra the graphics instance
+ * @param path path of the image to load
+ * @param w width to rescale to
+ * @param h height to rescale to
+ * @param rotate angle to rotate the image. Warning, graphics might only support 90 degree steps here
+ * @returns <>
+ * @author Martin Schaller (04/2008)
+*/
+struct graphics_image * graphics_image_new_scaled_rotated(struct graphics *gra, char *path, int w, int h, int rotate)
+{
+ struct graphics_image *this_;
+
+ this_=g_new0(struct graphics_image,1);
+ this_->height=h;
+ this_->width=w;
+ this_->priv=gra->meth.image_new(gra->priv, &this_->meth, path, &this_->width, &this_->height, &this_->hot, rotate);
+ if (! this_->priv) {
+ g_free(this_);
+ this_=NULL;
+ }
+ return this_;
+}
+
+/**
+ * Create a new image from file path
+ * @param gra the graphics instance
+ * @param path path of the image to load
+ * @returns <>
+ * @author Martin Schaller (04/2008)
+*/
struct graphics_image * graphics_image_new(struct graphics *gra, char *path)
{
return graphics_image_new_scaled(gra, path, -1, -1);
}
-//##############################################################################################################
-//# Description:
-//# Comment:
-//# Authors: Martin Schaller (04/2008)
-//##############################################################################################################
+/**
+ * FIXME
+ * @param <>
+ * @returns <>
+ * @author Martin Schaller (04/2008)
+*/
void graphics_image_free(struct graphics *gra, struct graphics_image *img)
{
if (gra->meth.image_free)
g_free(img);
}
-//##############################################################################################################
-//# Description:
-//# Comment:
-//# Authors: Martin Schaller (04/2008)
-//##############################################################################################################
+/**
+ * FIXME
+ * @param <>
+ * @returns <>
+ * @author Martin Schaller (04/2008)
+*/
void graphics_draw_restore(struct graphics *this_, struct point *p, int w, int h)
{
this_->meth.draw_restore(this_->priv, p, w, h);
}
-//##############################################################################################################
-//# Description:
-//# Comment:
-//# Authors: Martin Schaller (04/2008)
-//##############################################################################################################
+/**
+ * FIXME
+ * @param <>
+ * @returns <>
+ * @author Martin Schaller (04/2008)
+*/
void graphics_draw_mode(struct graphics *this_, enum draw_mode_num mode)
{
this_->meth.draw_mode(this_->priv, mode);
}
-//##############################################################################################################
-//# Description:
-//# Comment:
-//# Authors: Martin Schaller (04/2008)
-//##############################################################################################################
+/**
+ * FIXME
+ * @param <>
+ * @returns <>
+ * @author Martin Schaller (04/2008)
+*/
void graphics_draw_lines(struct graphics *this_, struct graphics_gc *gc, struct point *p, int count)
{
this_->meth.draw_lines(this_->priv, gc->priv, p, count);
}
-//##############################################################################################################
-//# Description:
-//# Comment:
-//# Authors: Martin Schaller (04/2008)
-//##############################################################################################################
+/**
+ * FIXME
+ * @param <>
+ * @returns <>
+ * @author Martin Schaller (04/2008)
+*/
void graphics_draw_circle(struct graphics *this_, struct graphics_gc *gc, struct point *p, int r)
{
this_->meth.draw_circle(this_->priv, gc->priv, p, r);
}
-//##############################################################################################################
-//# Description:
-//# Comment:
-//# Authors: Martin Schaller (04/2008)
-//##############################################################################################################
+/**
+ * FIXME
+ * @param <>
+ * @returns <>
+ * @author Martin Schaller (04/2008)
+*/
void graphics_draw_rectangle(struct graphics *this_, struct graphics_gc *gc, struct point *p, int w, int h)
{
this_->meth.draw_rectangle(this_->priv, gc->priv, p, w, h);
}
-//##############################################################################################################
-//# Description:
-//# Comment:
-//# Authors: Martin Schaller (04/2008)
-//##############################################################################################################
+void graphics_draw_rectangle_rounded(struct graphics *this_, struct graphics_gc *gc, struct point *plu, int w, int h, int r, int fill)
+{
+ struct point p[r*4+32];
+ struct point pi0={plu->x+r,plu->y+r};
+ struct point pi1={plu->x+w-r,plu->y+r};
+ struct point pi2={plu->x+w-r,plu->y+h-r};
+ struct point pi3={plu->x+r,plu->y+h-r};
+ int i=0;
+
+ draw_circle(&pi2, r*2, 0, -1, 258, p, &i, 1);
+ draw_circle(&pi1, r*2, 0, 255, 258, p, &i, 1);
+ draw_circle(&pi0, r*2, 0, 511, 258, p, &i, 1);
+ draw_circle(&pi3, r*2, 0, 767, 258, p, &i, 1);
+ p[i]=p[0];
+ i++;
+ if (fill)
+ this_->meth.draw_polygon(this_->priv, gc->priv, p, i);
+ else
+ this_->meth.draw_lines(this_->priv, gc->priv, p, i);
+}
+
+
+/**
+ * FIXME
+ * @param <>
+ * @returns <>
+ * @author Martin Schaller (04/2008)
+*/
void graphics_draw_text(struct graphics *this_, struct graphics_gc *gc1, struct graphics_gc *gc2, struct graphics_font *font, char *text, struct point *p, int dx, int dy)
{
this_->meth.draw_text(this_->priv, gc1->priv, gc2 ? gc2->priv : NULL, font->priv, text, p, dx, dy);
}
-//##############################################################################################################
-//# Description:
-//# Comment:
-//# Authors: Martin Schaller (04/2008)
-//##############################################################################################################
-void graphics_get_text_bbox(struct graphics *this_, struct graphics_font *font, char *text, int dx, int dy, struct point *ret)
+/**
+ * FIXME
+ * @param <>
+ * @returns <>
+ * @author Martin Schaller (04/2008)
+*/
+void graphics_get_text_bbox(struct graphics *this_, struct graphics_font *font, char *text, int dx, int dy, struct point *ret, int estimate)
{
- this_->meth.get_text_bbox(this_->priv, font->priv, text, dx, dy, ret);
+ this_->meth.get_text_bbox(this_->priv, font->priv, text, dx, dy, ret, estimate);
}
-//##############################################################################################################
-//# Description:
-//# Comment:
-//# Authors: Martin Schaller (04/2008)
-//##############################################################################################################
+/**
+ * FIXME
+ * @param <>
+ * @returns <>
+ * @author Martin Schaller (04/2008)
+*/
void graphics_overlay_disable(struct graphics *this_, int disable)
{
if (this_->meth.overlay_disable)
this_->meth.overlay_disable(this_->priv, disable);
}
+/**
+ * FIXME
+ * @param <>
+ * @returns <>
+ * @author Martin Schaller (04/2008)
+*/
+void graphics_draw_image(struct graphics *this_, struct graphics_gc *gc, struct point *p, struct graphics_image *img)
+{
+ this_->meth.draw_image(this_->priv, gc->priv, p, img->priv);
+}
+
+
//##############################################################################################################
-//# Description:
-//# Comment:
+//# Description:
+//# Comment:
//# Authors: Martin Schaller (04/2008)
//##############################################################################################################
-void graphics_draw_image(struct graphics *this_, struct graphics_gc *gc, struct point *p, struct graphics_image *img)
+int
+graphics_draw_drag(struct graphics *this_, struct point *p)
{
- this_->meth.draw_image(this_->priv, gc->priv, p, img->priv);
+ if (!this_->meth.draw_drag)
+ return 0;
+ this_->meth.draw_drag(this_->priv, p);
+ return 1;
+}
+
+void
+graphics_background_gc(struct graphics *this_, struct graphics_gc *gc)
+{
+ this_->meth.background_gc(this_->priv, gc ? gc->priv : NULL);
}
#include "attr.h"
system(command);
}
+struct transformatin *tg;
+enum projection pg;
+
//##############################################################################################################
//# Description:
//# Comment:
}
#endif
-//##############################################################################################################
-//# Description:
-//# Comment:
-//# Authors: Martin Schaller (04/2008)
-//##############################################################################################################
+/**
+ * FIXME
+ * @param <>
+ * @returns <>
+ * @author Martin Schaller (04/2008)
+*/
struct displayitem {
struct item item;
char *label;
int displayed;
int count;
- struct point pnt[0];
+ struct coord c[0];
};
-//##############################################################################################################
-//# Description:
-//# Comment:
-//# Authors: Martin Schaller (04/2008)
-//##############################################################################################################
+/**
+ * FIXME
+ * @param <>
+ * @returns <>
+ * @author Martin Schaller (04/2008)
+*/
static int xdisplay_free_list(gpointer key, gpointer value, gpointer user_data)
{
- GList *h, *l;
- h=value;
- l=h;
- while (l) {
- struct displayitem *di=l->data;
- if (! di->displayed && di->item.type < type_line)
- dbg(1,"warning: item '%s' not displayed\n", item_to_name(di->item.type));
- g_free(l->data);
- l=g_list_next(l);
- }
- g_list_free(h);
+ GHashTable *hash=value;
+ if (hash)
+ g_hash_table_destroy(hash);
return TRUE;
}
-//##############################################################################################################
-//# Description:
-//# Comment:
-//# Authors: Martin Schaller (04/2008)
-//##############################################################################################################
+/**
+ * FIXME
+ * @param <>
+ * @returns <>
+ * @author Martin Schaller (04/2008)
+*/
static void xdisplay_free(GHashTable *display_list)
{
g_hash_table_foreach_remove(display_list, xdisplay_free_list, NULL);
}
-//##############################################################################################################
-//# Description:
-//# Comment:
-//# Authors: Martin Schaller (04/2008)
-//##############################################################################################################
-void display_add(struct displaylist *displaylist, struct item *item, int count, struct point *pnt, char *label)
+static guint
+displayitem_hash(gconstpointer key)
+{
+ const struct displayitem *di=key;
+ return (di->item.id_hi^di->item.id_lo^(GPOINTER_TO_INT(di->item.map)));
+}
+
+static gboolean
+displayitem_equal(gconstpointer a, gconstpointer b)
+{
+ const struct displayitem *dia=a;
+ const struct displayitem *dib=b;
+ if (item_is_equal(dia->item, dib->item))
+ return TRUE;
+ return FALSE;
+}
+
+
+/**
+ * FIXME
+ * @param <>
+ * @returns <>
+ * @author Martin Schaller (04/2008)
+*/
+static void display_add(struct displaylist *displaylist, struct item *item, int count, struct coord *c, char *label)
{
struct displayitem *di;
int len;
- GList *l;
+ GHashTable *h;
char *p;
- len=sizeof(*di)+count*sizeof(*pnt);
+ len=sizeof(*di)+count*sizeof(*c);
if (label)
len+=strlen(label)+1;
di=(struct displayitem *)p;
di->displayed=0;
- p+=sizeof(*di)+count*sizeof(*pnt);
+ p+=sizeof(*di)+count*sizeof(*c);
di->item=*item;
if (label) {
di->label=p;
} else
di->label=NULL;
di->count=count;
- memcpy(di->pnt, pnt, count*sizeof(*pnt));
+ memcpy(di->c, c, count*sizeof(*c));
- l=g_hash_table_lookup(displaylist->dl, GINT_TO_POINTER(item->type));
- l=g_list_prepend(l, di);
- g_hash_table_insert(displaylist->dl, GINT_TO_POINTER(item->type), l);
+ h=g_hash_table_lookup(displaylist->dl, GINT_TO_POINTER(item->type));
+ if (! h) {
+ h=g_hash_table_new_full(displayitem_hash, displayitem_equal, g_free, NULL);
+ g_hash_table_insert(displaylist->dl, GINT_TO_POINTER(item->type), h);
+ }
+ g_hash_table_replace(h, di, di);
}
-//##############################################################################################################
-//# Description:
-//# Comment:
-//# Authors: Martin Schaller (04/2008)
-//##############################################################################################################
+/**
+ * FIXME
+ * @param <>
+ * @returns <>
+ * @author Martin Schaller (04/2008)
+*/
static void label_line(struct graphics *gra, struct graphics_gc *fg, struct graphics_gc *bg, struct graphics_font *font, struct point *p, int count, char *label)
{
- int i,x,y,tl;
- double dx,dy,l;
+ int i,x,y,tl,tlm,th,thm,tlsq,l;
+ float lsq;
+ double dx,dy;
struct point p_t;
-
- tl=strlen(label)*400;
+ struct point pb[5];
+
+ if (gra->meth.get_text_bbox) {
+ gra->meth.get_text_bbox(gra->priv, font->priv, label, 0x10000, 0x0, pb, 1);
+ tl=(pb[2].x-pb[0].x);
+ th=(pb[0].y-pb[1].y);
+ } else {
+ tl=strlen(label)*4;
+ th=8;
+ }
+ tlm=tl*32;
+ thm=th*36;
+ tlsq = tlm*tlm;
for (i = 0 ; i < count-1 ; i++) {
dx=p[i+1].x-p[i].x;
- dx*=100;
+ dx*=32;
dy=p[i+1].y-p[i].y;
- dy*=100;
- l=(int)sqrt((float)(dx*dx+dy*dy));
- if (l > tl) {
+ dy*=32;
+ lsq = dx*dx+dy*dy;
+ if (lsq > tlsq) {
+ l=(int)sqrtf(lsq);
x=p[i].x;
y=p[i].y;
if (dx < 0) {
x=p[i+1].x;
y=p[i+1].y;
}
- x+=(l-tl)*dx/l/200;
- y+=(l-tl)*dy/l/200;
- x-=dy*45/l/10;
- y+=dx*45/l/10;
- p_t.x=x;
- p_t.y=y;
- #if 0
- printf("display_text: '%s', %d, %d, %d, %d %d\n", label, x, y, dx*0x10000/l, dy*0x10000/l, l);
- #endif
- gra->meth.draw_text(gra->priv, fg->priv, bg->priv, font->priv, label, &p_t, dx*0x10000/l, dy*0x10000/l);
+ x+=(l-tlm)*dx/l/64;
+ y+=(l-tlm)*dy/l/64;
+ x-=dy*thm/l/64;
+ y+=dx*thm/l/64;
+ p_t.x=x;
+ p_t.y=y;
+#if 0
+ dbg(0,"display_text: '%s', %d, %d, %d, %d %d\n", label, x, y, dx*0x10000/l, dy*0x10000/l, l);
+#endif
+ if (x < gra->r.rl.x && x + tl > gra->r.lu.x && y + tl > gra->r.lu.y && y - tl < gra->r.rl.y)
+ gra->meth.draw_text(gra->priv, fg->priv, bg->priv, font->priv, label, &p_t, dx*0x10000/l, dy*0x10000/l);
+ }
+ }
+}
+
+static void display_draw_arrow(struct point *p, int dx, int dy, int l, struct graphics_gc *gc, struct graphics *gra)
+{
+ struct point pnt[3];
+ pnt[0]=pnt[1]=pnt[2]=*p;
+ pnt[0].x+=-dx*l/65536+dy*l/65536;
+ pnt[0].y+=-dy*l/65536-dx*l/65536;
+ pnt[2].x+=-dx*l/65536-dy*l/65536;
+ pnt[2].y+=-dy*l/65536+dx*l/65536;
+ gra->meth.draw_lines(gra->priv, gc->priv, pnt, 3);
+}
+
+static void display_draw_arrows(struct graphics *gra, struct graphics_gc *gc, struct point *pnt, int count)
+{
+ int i,dx,dy,l;
+ struct point p;
+ for (i = 0 ; i < count-1 ; i++) {
+ dx=pnt[i+1].x-pnt[i].x;
+ dy=pnt[i+1].y-pnt[i].y;
+ l=sqrt(dx*dx+dy*dy);
+ if (l) {
+ dx=dx*65536/l;
+ dy=dy*65536/l;
+ p=pnt[i];
+ p.x+=dx*15/65536;
+ p.y+=dy*15/65536;
+ display_draw_arrow(&p, dx, dy, 10, gc, gra);
+ p=pnt[i+1];
+ p.x-=dx*15/65536;
+ p.y-=dy*15/65536;
+ display_draw_arrow(&p, dx, dy, 10, gc, gra);
+ }
+ }
+}
+
+static int
+intersection(struct point * a1, int adx, int ady, struct point * b1, int bdx, int bdy,
+ struct point * res)
+{
+ int n, a, b;
+ n = bdy * adx - bdx * ady;
+ a = bdx * (a1->y - b1->y) - bdy * (a1->x - b1->x);
+ b = adx * (a1->y - b1->y) - ady * (a1->x - b1->x);
+ if (n < 0) {
+ n = -n;
+ a = -a;
+ b = -b;
+ }
+#if 0
+ if (a < 0 || b < 0)
+ return 0;
+ if (a > n || b > n)
+ return 0;
+#endif
+ if (n == 0)
+ return 0;
+ res->x = a1->x + a * adx / n;
+ res->y = a1->y + a * ady / n;
+ return 1;
+}
+
+struct circle {
+ short x,y,fowler;
+} circle64[]={
+{0,128,0},
+{13,127,13},
+{25,126,25},
+{37,122,38},
+{49,118,53},
+{60,113,67},
+{71,106,85},
+{81,99,104},
+{91,91,128},
+{99,81,152},
+{106,71,171},
+{113,60,189},
+{118,49,203},
+{122,37,218},
+{126,25,231},
+{127,13,243},
+{128,0,256},
+{127,-13,269},
+{126,-25,281},
+{122,-37,294},
+{118,-49,309},
+{113,-60,323},
+{106,-71,341},
+{99,-81,360},
+{91,-91,384},
+{81,-99,408},
+{71,-106,427},
+{60,-113,445},
+{49,-118,459},
+{37,-122,474},
+{25,-126,487},
+{13,-127,499},
+{0,-128,512},
+{-13,-127,525},
+{-25,-126,537},
+{-37,-122,550},
+{-49,-118,565},
+{-60,-113,579},
+{-71,-106,597},
+{-81,-99,616},
+{-91,-91,640},
+{-99,-81,664},
+{-106,-71,683},
+{-113,-60,701},
+{-118,-49,715},
+{-122,-37,730},
+{-126,-25,743},
+{-127,-13,755},
+{-128,0,768},
+{-127,13,781},
+{-126,25,793},
+{-122,37,806},
+{-118,49,821},
+{-113,60,835},
+{-106,71,853},
+{-99,81,872},
+{-91,91,896},
+{-81,99,920},
+{-71,106,939},
+{-60,113,957},
+{-49,118,971},
+{-37,122,986},
+{-25,126,999},
+{-13,127,1011},
+};
+
+static void
+draw_circle(struct point *pnt, int diameter, int scale, int start, int len, struct point *res, int *pos, int dir)
+{
+ struct circle *c;
+
+#if 0
+ dbg(0,"diameter=%d start=%d len=%d pos=%d dir=%d\n", diameter, start, len, *pos, dir);
+#endif
+ int count=64;
+ int end=start+len;
+ int i,step;
+ c=circle64;
+ if (diameter > 128)
+ step=1;
+ else if (diameter > 64)
+ step=2;
+ else if (diameter > 24)
+ step=4;
+ else if (diameter > 8)
+ step=8;
+ else
+ step=16;
+ if (len > 0) {
+ while (start < 0) {
+ start+=1024;
+ end+=1024;
+ }
+ while (end > 0) {
+ i=0;
+ while (i < count && c[i].fowler <= start)
+ i+=step;
+ while (i < count && c[i].fowler < end) {
+ res[*pos].x=pnt->x+((c[i].x*diameter+128)>>8);
+ res[*pos].y=pnt->y+((c[i].y*diameter+128)>>8);
+ (*pos)+=dir;
+ i+=step;
+ }
+ end-=1024;
+ start-=1024;
+ }
+ } else {
+ while (start > 1024) {
+ start-=1024;
+ end-=1024;
+ }
+ while (end < 1024) {
+ i=count-1;
+ while (i >= 0 && c[i].fowler >= start)
+ i-=step;
+ while (i >= 0 && c[i].fowler > end) {
+ res[*pos].x=pnt->x+((c[i].x*diameter+128)>>8);
+ res[*pos].y=pnt->y+((c[i].y*diameter+128)>>8);
+ (*pos)+=dir;
+ i-=step;
+ }
+ start+=1024;
+ end+=1024;
+ }
+ }
+}
+
+
+static int
+fowler(int dy, int dx)
+{
+ int adx, ady; /* Absolute Values of Dx and Dy */
+ int code; /* Angular Region Classification Code */
+
+ adx = (dx < 0) ? -dx : dx; /* Compute the absolute values. */
+ ady = (dy < 0) ? -dy : dy;
+
+ code = (adx < ady) ? 1 : 0;
+ if (dx < 0)
+ code += 2;
+ if (dy < 0)
+ code += 4;
+
+ switch (code) {
+ case 0:
+ return (dx == 0) ? 0 : 128*ady / adx; /* [ 0, 45] */
+ case 1:
+ return (256 - (128*adx / ady)); /* ( 45, 90] */
+ case 3:
+ return (256 + (128*adx / ady)); /* ( 90,135) */
+ case 2:
+ return (512 - (128*ady / adx)); /* [135,180] */
+ case 6:
+ return (512 + (128*ady / adx)); /* (180,225] */
+ case 7:
+ return (768 - (128*adx / ady)); /* (225,270) */
+ case 5:
+ return (768 + (128*adx / ady)); /* [270,315) */
+ case 4:
+ return (1024 - (128*ady / adx));/* [315,360) */
+ }
+ return 0;
+}
+static int
+int_sqrt(unsigned int n)
+{
+ unsigned int h, p= 0, q= 1, r= n;
+
+ /* avoid q rollover */
+ if(n >= (1<<(sizeof(n)*8-2))) {
+ q = 1<<(sizeof(n)*8-2);
+ } else {
+ while ( q <= n ) {
+ q <<= 2;
+ }
+ q >>= 2;
+ }
+
+ while ( q != 0 ) {
+ h = p + q;
+ p >>= 1;
+ if ( r >= h ) {
+ p += q;
+ r -= h;
+ }
+ q >>= 2;
+ }
+ return p;
+}
+
+struct offset {
+ int px,py,nx,ny;
+};
+
+static void
+calc_offsets(int wi, int l, int dx, int dy, struct offset *res)
+{
+ int x,y;
+
+ x = (dx * wi) / l;
+ y = (dy * wi) / l;
+ if (x < 0) {
+ res->nx = -x/2;
+ res->px = (x-1)/2;
+ } else {
+ res->nx = -(x+1)/2;
+ res->px = x/2;
+ }
+ if (y < 0) {
+ res->ny = -y/2;
+ res->py = (y-1)/2;
+ } else {
+ res->ny = -(y+1)/2;
+ res->py = y/2;
+ }
+}
+
+static void
+graphics_draw_polyline_as_polygon(struct graphics *gra, struct graphics_gc *gc, struct point *pnt, int count, int *width, int step)
+{
+ int maxpoints=200;
+ struct point res[maxpoints], pos, poso, neg, nego;
+ int i, dx=0, dy=0, l=0, dxo=0, dyo=0;
+ struct offset o,oo;
+ int fow=0, fowo=0, delta;
+ int wi, ppos = maxpoints/2, npos = maxpoints/2;
+ int state,prec=5;
+ int max_circle_points=20;
+ int lscale=16;
+ i=0;
+ for (;;) {
+ wi=*width;
+ width+=step;
+ if (i < count - 1) {
+ int dxs,dys,lscales;
+
+ dx = (pnt[i + 1].x - pnt[i].x);
+ dy = (pnt[i + 1].y - pnt[i].y);
+#if 0
+ l = int_sqrt(dx * dx * lscale * lscale + dy * dy * lscale * lscale);
+#else
+ dxs=dx*dx;
+ dys=dy*dy;
+ lscales=lscale*lscale;
+ if (dxs + dys > lscales)
+ l = int_sqrt(dxs+dys)*lscale;
+ else
+ l = int_sqrt((dxs+dys)*lscales);
+#endif
+ fow=fowler(-dy, dx);
+ }
+ if (! l)
+ l=1;
+ if (wi*lscale > 10000)
+ lscale=10000/wi;
+ dbg_assert(wi*lscale < 10000);
+ calc_offsets(wi*lscale, l, dx, dy, &o);
+ pos.x = pnt[i].x + o.ny;
+ pos.y = pnt[i].y + o.px;
+ neg.x = pnt[i].x + o.py;
+ neg.y = pnt[i].y + o.nx;
+ if (! i)
+ state=0;
+ else if (i == count-1)
+ state=2;
+ else if (npos < max_circle_points || ppos >= maxpoints-max_circle_points)
+ state=3;
+ else
+ state=1;
+ switch (state) {
+ case 1:
+ if (fowo != fow) {
+ poso.x = pnt[i].x + oo.ny;
+ poso.y = pnt[i].y + oo.px;
+ nego.x = pnt[i].x + oo.py;
+ nego.y = pnt[i].y + oo.nx;
+ delta=fowo-fow;
+ if (delta < 0)
+ delta+=1024;
+ if (delta < 512) {
+ if (intersection(&pos, dx, dy, &poso, dxo, dyo, &res[ppos]))
+ ppos++;
+ res[--npos] = nego;
+ --npos;
+ draw_circle(&pnt[i], wi, prec, fowo-512, -delta, res, &npos, -1);
+ res[npos] = neg;
+ } else {
+ res[ppos++] = poso;
+ draw_circle(&pnt[i], wi, prec, fowo, 1024-delta, res, &ppos, 1);
+ res[ppos++] = pos;
+ if (intersection(&neg, dx, dy, &nego, dxo, dyo, &res[npos - 1]))
+ npos--;
+ }
+ }
+ break;
+ case 2:
+ case 3:
+ res[--npos] = neg;
+ --npos;
+ draw_circle(&pnt[i], wi, prec, fow-512, -512, res, &npos, -1);
+ res[npos] = pos;
+ res[ppos++] = pos;
+ dbg_assert(npos > 0);
+ dbg_assert(ppos < maxpoints);
+ gra->meth.draw_polygon(gra->priv, gc->priv, res+npos, ppos-npos);
+ if (state == 2)
+ break;
+ npos=maxpoints/2;
+ ppos=maxpoints/2;
+ case 0:
+ res[ppos++] = neg;
+ draw_circle(&pnt[i], wi, prec, fow+512, 512, res, &ppos, 1);
+ res[ppos++] = pos;
+ break;
+ }
+ i++;
+ if (i >= count)
+ break;
+ if (step) {
+ wi=*width;
+ calc_offsets(wi*lscale, l, dx, dy, &oo);
+ } else
+ oo=o;
+ dxo = -dx;
+ dyo = -dy;
+ fowo=fow;
+ }
+}
+
+
+struct wpoint {
+ int x,y,w;
+};
+
+static int
+clipcode(struct wpoint *p, struct point_rect *r)
+{
+ int code=0;
+ if (p->x < r->lu.x)
+ code=1;
+ if (p->x > r->rl.x)
+ code=2;
+ if (p->y < r->lu.y)
+ code |=4;
+ if (p->y > r->rl.y)
+ code |=8;
+ return code;
+}
+
+
+static int
+clip_line(struct wpoint *p1, struct wpoint *p2, struct point_rect *r)
+{
+ int code1,code2,ret=1;
+ int dx,dy,dw;
+ code1=clipcode(p1, r);
+ if (code1)
+ ret |= 2;
+ code2=clipcode(p2, r);
+ if (code2)
+ ret |= 4;
+ dx=p2->x-p1->x;
+ dy=p2->y-p1->y;
+ dw=p2->w-p1->w;
+ while (code1 || code2) {
+ if (code1 & code2)
+ return 0;
+ if (code1 & 1) {
+ p1->y+=(r->lu.x-p1->x)*dy/dx;
+ p1->w+=(r->lu.x-p1->x)*dw/dx;
+ p1->x=r->lu.x;
+ } else if (code1 & 2) {
+ p1->y+=(r->rl.x-p1->x)*dy/dx;
+ p1->w+=(r->rl.x-p1->x)*dw/dx;
+ p1->x=r->rl.x;
+ } else if (code1 & 4) {
+ p1->x+=(r->lu.y-p1->y)*dx/dy;
+ p1->w+=(r->lu.y-p1->y)*dw/dy;
+ p1->y=r->lu.y;
+ } else if (code1 & 8) {
+ p1->x+=(r->rl.y-p1->y)*dx/dy;
+ p1->w+=(r->rl.y-p1->y)*dw/dy;
+ p1->y=r->rl.y;
+ }
+ code1=clipcode(p1, r);
+ if (code1 & code2)
+ return 0;
+ if (code2 & 1) {
+ p2->y+=(r->lu.x-p2->x)*dy/dx;
+ p2->w+=(r->lu.x-p2->x)*dw/dx;
+ p2->x=r->lu.x;
+ } else if (code2 & 2) {
+ p2->y+=(r->rl.x-p2->x)*dy/dx;
+ p2->w+=(r->rl.x-p2->x)*dw/dx;
+ p2->x=r->rl.x;
+ } else if (code2 & 4) {
+ p2->x+=(r->lu.y-p2->y)*dx/dy;
+ p2->w+=(r->lu.y-p2->y)*dw/dy;
+ p2->y=r->lu.y;
+ } else if (code2 & 8) {
+ p2->x+=(r->rl.y-p2->y)*dx/dy;
+ p2->w+=(r->rl.y-p2->y)*dw/dy;
+ p2->y=r->rl.y;
+ }
+ code2=clipcode(p2, r);
+ }
+ return ret;
+}
+
+static void
+graphics_draw_polyline_clipped(struct graphics *gra, struct graphics_gc *gc, struct point *pa, int count, int *width, int step, int poly)
+{
+ struct point p[count+1];
+ int w[count*step+1];
+ struct wpoint p1,p2;
+ int i,code,out=0;
+ int wmax;
+ struct point_rect r=gra->r;
+
+ wmax=width[0];
+ if (step) {
+ for (i = 1 ; i < count ; i++) {
+ if (width[i*step] > wmax)
+ wmax=width[i*step];
+ }
+ }
+ if (wmax <= 0)
+ return;
+ r.lu.x-=wmax;
+ r.lu.y-=wmax;
+ r.rl.x+=wmax;
+ r.rl.y+=wmax;
+ for (i = 0 ; i < count ; i++) {
+ if (i) {
+ p1.x=pa[i-1].x;
+ p1.y=pa[i-1].y;
+ p1.w=width[(i-1)*step];
+ p2.x=pa[i].x;
+ p2.y=pa[i].y;
+ p2.w=width[i*step];
+ /* 0 = invisible, 1 = completely visible, 3 = start point clipped, 5 = end point clipped, 7 both points clipped */
+ code=clip_line(&p1, &p2, &r);
+ if (((code == 1 || code == 5) && i == 1) || (code & 2)) {
+ p[out].x=p1.x;
+ p[out].y=p1.y;
+ w[out*step]=p1.w;
+ out++;
+ }
+ if (code) {
+ p[out].x=p2.x;
+ p[out].y=p2.y;
+ w[out*step]=p2.w;
+ out++;
+ }
+ if (i == count-1 || (code & 4)) {
+ if (out > 1) {
+ if (poly) {
+ graphics_draw_polyline_as_polygon(gra, gc, p, out, w, step);
+ } else
+ gra->meth.draw_lines(gra->priv, gc->priv, p, out);
+ out=0;
+ }
+ }
+ }
+ }
+}
+
+static int
+is_inside(struct point *p, struct point_rect *r, int edge)
+{
+ switch(edge) {
+ case 0:
+ return p->x >= r->lu.x;
+ case 1:
+ return p->x <= r->rl.x;
+ case 2:
+ return p->y >= r->lu.y;
+ case 3:
+ return p->y <= r->rl.y;
+ default:
+ return 0;
+ }
+}
+
+static void
+poly_intersection(struct point *p1, struct point *p2, struct point_rect *r, int edge, struct point *ret)
+{
+ int dx=p2->x-p1->x;
+ int dy=p2->y-p1->y;
+ switch(edge) {
+ case 0:
+ ret->y=p1->y+(r->lu.x-p1->x)*dy/dx;
+ ret->x=r->lu.x;
+ break;
+ case 1:
+ ret->y=p1->y+(r->rl.x-p1->x)*dy/dx;
+ ret->x=r->rl.x;
+ break;
+ case 2:
+ ret->x=p1->x+(r->lu.y-p1->y)*dx/dy;
+ ret->y=r->lu.y;
+ break;
+ case 3:
+ ret->x=p1->x+(r->rl.y-p1->y)*dx/dy;
+ ret->y=r->rl.y;
+ break;
+ }
+}
+
+static void
+graphics_draw_polygon_clipped(struct graphics *gra, struct graphics_gc *gc, struct point *pin, int count_in)
+{
+ struct point_rect r=gra->r;
+ struct point *pout,*p,*s,pi;
+ struct point p1[count_in*8+1];
+ struct point p2[count_in*8+1];
+ int count_out,edge=3;
+ int i;
+#if 0
+ r.lu.x+=20;
+ r.lu.y+=20;
+ r.rl.x-=20;
+ r.rl.y-=20;
+#endif
+
+ pout=p1;
+ for (edge = 0 ; edge < 4 ; edge++) {
+ p=pin;
+ s=pin+count_in-1;
+ count_out=0;
+ for (i = 0 ; i < count_in ; i++) {
+ if (is_inside(p, &r, edge)) {
+ if (! is_inside(s, &r, edge)) {
+ poly_intersection(s,p,&r,edge,&pi);
+ pout[count_out++]=pi;
+ }
+ pout[count_out++]=*p;
+ } else {
+ if (is_inside(s, &r, edge)) {
+ poly_intersection(p,s,&r,edge,&pi);
+ pout[count_out++]=pi;
+ }
+ }
+ s=p;
+ p++;
+ }
+ count_in=count_out;
+ if (pin == p1) {
+ pin=p2;
+ pout=p1;
+ } else {
+ pin=p1;
+ pout=p2;
+ }
+ }
+ gra->meth.draw_polygon(gra->priv, gc->priv, pin, count_in);
+}
+
+
+static void
+display_context_free(struct display_context *dc)
+{
+ if (dc->gc)
+ graphics_gc_destroy(dc->gc);
+ if (dc->img)
+ graphics_image_free(dc->gra, dc->img);
+ dc->gc=NULL;
+ dc->img=NULL;
+}
+
+static struct graphics_font *
+get_font(struct graphics *gra, int size)
+{
+ if (size > 64)
+ size=64;
+ if (size >= gra->font_len) {
+ gra->font=g_renew(struct graphics_font *, gra->font, size+1);
+ while (gra->font_len <= size)
+ gra->font[gra->font_len++]=NULL;
+ }
+ if (! gra->font[size])
+ gra->font[size]=graphics_font_new(gra, size*20, 0);
+ return gra->font[size];
+}
+
+char *
+graphics_icon_path(char *icon)
+{
+ static char *navit_sharedir;
+ dbg(1,"enter %s\n",icon);
+ if (icon[0] == '/')
+ return g_strdup(icon);
+ else {
+#ifdef HAVE_API_ANDROID
+ return g_strdup_printf("res/drawable/%s", icon);
+#else
+ if (! navit_sharedir)
+ navit_sharedir = getenv("NAVIT_SHAREDIR");
+ return g_strdup_printf("%s/xpm/%s", navit_sharedir, icon);
+#endif
+ }
+}
+
+static int
+limit_count(struct coord *c, int count)
+{
+ int i;
+ for (i = 1 ; i < count ; i++) {
+ if (c[i].x == c[0].x && c[i].y == c[0].y)
+ return i+1;
+ }
+ return count;
+}
+
+
+static void
+displayitem_draw(struct displayitem *di, void *dummy, struct display_context *dc)
+{
+ int width[dc->maxlen];
+ int i,count=di->count,mindist=dc->mindist;
+ struct point pa[dc->maxlen];
+ struct graphics *gra=dc->gra;
+ struct graphics_gc *gc=dc->gc;
+ struct element *e=dc->e;
+ struct graphics_image *img=dc->img;
+ struct point p;
+ char *path;
+
+ di->displayed=1;
+ if (! gc) {
+ gc=graphics_gc_new(gra);
+ graphics_gc_set_foreground(gc, &e->color);
+ }
+ if (item_type_is_area(dc->type) && (dc->e->type == element_polyline || dc->e->type == element_text))
+ count=limit_count(di->c, count);
+ if (dc->type == type_poly_water_tiled)
+ mindist=0;
+ if (dc->e->type == element_polyline)
+ count=transform(dc->trans, dc->pro, di->c, pa, count, mindist, e->u.polyline.width, width);
+ else
+ count=transform(dc->trans, dc->pro, di->c, pa, count, mindist, 0, NULL);
+ switch (e->type) {
+ case element_polygon:
+#if 0
+ {
+ int i;
+ for (i = 0 ; i < count ; i++) {
+ dbg(0,"pa[%d]=%d,%d\n", i, pa[i].x, pa[i].y);
+ }
+ }
+ dbg(0,"element_polygon count=%d\n",count);
+#endif
+#if 1
+ graphics_draw_polygon_clipped(gra, gc, pa, count);
+#endif
+ break;
+ case element_polyline:
+#if 0
+ if (e->u.polyline.width > 1) {
+ graphics_draw_polyline_as_polygon(gra, gc, pa, count, width, 0);
+ } else {
+#else
+ {
+#if 0
+ if (e->u.polyline.width > 1)
+ gc->meth.gc_set_linewidth(gc->priv, e->u.polyline.width);
+#else
+ gc->meth.gc_set_linewidth(gc->priv, 1);
+#endif
+
+
+#endif
+ if (e->u.polyline.width > 0 && e->u.polyline.dash_num > 0)
+ graphics_gc_set_dashes(gc, e->u.polyline.width,
+ e->u.polyline.offset,
+ e->u.polyline.dash_table,
+ e->u.polyline.dash_num);
+#if 0
+ if (di->label && !strcmp(di->label, "Bahnhofstr.") && di->item.type != type_street_1_city) {
+ dbg(0,"0x%x,0x%x %s\n", di->item.id_hi, di->item.id_lo, item_to_name(di->item.type));
+#endif
+ for (i = 0 ; i < count ; i++) {
+ if (width[i] < 2)
+ width[i]=2;
+ }
+ graphics_draw_polyline_clipped(gra, gc, pa, count, width, 1, e->u.polyline.width > 1);
+#if 0
+ }
+#endif
+ }
+ break;
+ case element_circle:
+ if (count) {
+ if (e->u.circle.width > 1)
+ gc->meth.gc_set_linewidth(gc->priv, e->u.polyline.width);
+ gra->meth.draw_circle(gra->priv, gc->priv, pa, e->u.circle.radius);
+ if (di->label && e->text_size) {
+ struct graphics_font *font=get_font(gra, e->text_size);
+ p.x=pa[0].x+3;
+ p.y=pa[0].y+10;
+ if (font)
+ gra->meth.draw_text(gra->priv, gra->gc[2]->priv, gra->gc[1]->priv, font->priv, di->label, &p, 0x10000, 0);
+ else
+ dbg(0,"Failed to get font with size %d\n",e->text_size);
+ }
+ }
+ break;
+ case element_text:
+ if (count && di->label) {
+ struct graphics_font *font=get_font(gra, e->text_size);
+ if (font)
+ label_line(gra, gra->gc[2], gra->gc[1], font, pa, count, di->label);
+ else
+ dbg(0,"Failed to get font with size %d\n",e->text_size);
+ }
+ break;
+ case element_icon:
+ if (count) {
+ if (!img) {
+ path=graphics_icon_path(e->u.icon.src);
+ img=graphics_image_new_scaled_rotated(gra, path, e->u.icon.width, e->u.icon.height, e->u.icon.rotation);
+ g_free(path);
+ if (img)
+ dc->img=img;
+ else
+ dbg(0,"failed to load icon '%s'\n", e->u.icon.src);
+ }
+ if (img) {
+ p.x=pa[0].x - img->hot.x;
+ p.y=pa[0].y - img->hot.y;
+ gra->meth.draw_image(gra->priv, gra->gc[0]->priv, &p, img->priv);
+ }
}
+ break;
+ case element_image:
+ dbg(1,"image: '%s'\n", di->label);
+ if (gra->meth.draw_image_warp)
+ gra->meth.draw_image_warp(gra->priv, gra->gc[0]->priv, pa, count, di->label);
+ else
+ dbg(0,"draw_image_warp not supported by graphics driver drawing '%s'\n", di->label);
+ break;
+ case element_arrows:
+ display_draw_arrows(gra,gc,pa,count);
+ break;
+ default:
+ printf("Unhandled element type %d\n", e->type);
+
}
}
-
-//##############################################################################################################
-//# Description:
-//# Comment:
-//# Authors: Martin Schaller (04/2008)
-//##############################################################################################################
-static void xdisplay_draw_elements(struct graphics *gra, GHashTable *display_list, struct itemtype *itm)
+/**
+ * FIXME
+ * @param <>
+ * @returns <>
+ * @author Martin Schaller (04/2008)
+*/
+static void xdisplay_draw_elements(struct graphics *gra, struct displaylist *display_list, struct itemgra *itm)
{
struct element *e;
- GList *l,*ls,*es,*types;
- enum item_type type;
- struct graphics_gc *gc = NULL;
- struct graphics_image *img;
- struct point p;
+ GList *es,*types;
+ GHashTable *h;
+ struct display_context *dc=&display_list->dc;
es=itm->elements;
while (es) {
e=es->data;
+ dc->e=e;
types=itm->type;
while (types) {
- type=GPOINTER_TO_INT(types->data);
- ls=g_hash_table_lookup(display_list, GINT_TO_POINTER(type));
- l=ls;
- if (gc)
- graphics_gc_destroy(gc);
- gc=NULL;
- img=NULL;
- while (l) {
- struct displayitem *di;
- di=l->data;
- di->displayed=1;
- if (! gc) {
- gc=graphics_gc_new(gra);
- gc->meth.gc_set_foreground(gc->priv, &e->color);
- }
- switch (e->type) {
- case element_polygon:
- gra->meth.draw_polygon(gra->priv, gc->priv, di->pnt, di->count);
- break;
- case element_polyline:
- if (e->u.polyline.width > 1)
- gc->meth.gc_set_linewidth(gc->priv, e->u.polyline.width);
- if (e->u.polyline.width > 0 && e->u.polyline.dash_num > 0)
- graphics_gc_set_dashes(gc, e->u.polyline.width, 0,
- e->u.polyline.dash_table,
- e->u.polyline.dash_num);
- gra->meth.draw_lines(gra->priv, gc->priv, di->pnt, di->count);
- break;
- case element_circle:
- if (e->u.circle.width > 1)
- gc->meth.gc_set_linewidth(gc->priv, e->u.polyline.width);
- gra->meth.draw_circle(gra->priv, gc->priv, &di->pnt[0], e->u.circle.radius);
- if (di->label && e->label_size) {
- p.x=di->pnt[0].x+3;
- p.y=di->pnt[0].y+10;
- if (! gra->font[e->label_size])
- gra->font[e->label_size]=graphics_font_new(gra, e->label_size*20, 0);
- gra->meth.draw_text(gra->priv, gra->gc[2]->priv, gra->gc[1]->priv, gra->font[e->label_size]->priv, di->label, &p, 0x10000, 0);
- }
- break;
- case element_label:
- if (di->label) {
- if (! gra->font[e->label_size])
- gra->font[e->label_size]=graphics_font_new(gra, e->label_size*20, 0);
- label_line(gra, gra->gc[2], gra->gc[1], gra->font[e->label_size], di->pnt, di->count, di->label);
- }
- break;
- case element_icon:
- if (!img) {
- char *icon=g_strjoin(NULL,getenv("NAVIT_SHAREDIR"), "/xpm/", e->u.icon.src, NULL);
- img=graphics_image_new(gra, icon);
- g_free(icon);
- if (! img)
- g_warning("failed to load icon '%s'\n", e->u.icon.src);
- }
- if (img) {
- p.x=di->pnt[0].x - img->hot.x;
- p.y=di->pnt[0].y - img->hot.y;
- gra->meth.draw_image(gra->priv, gra->gc[0]->priv, &p, img->priv);
- graphics_image_free(gra, img);
- img = NULL;
- }
- break;
- case element_image:
- dbg(1,"image: '%s'\n", di->label);
- if (gra->meth.draw_image_warp)
- gra->meth.draw_image_warp(gra->priv, gra->gc[0]->priv, di->pnt, di->count, di->label);
- else
- dbg(0,"draw_image_warp not supported by graphics driver drawing '%s'\n", di->label);
- break;
- default:
- printf("Unhandled element type %d\n", e->type);
-
- }
- l=g_list_next(l);
+ dc->type=GPOINTER_TO_INT(types->data);
+ h=g_hash_table_lookup(display_list->dl, GINT_TO_POINTER(dc->type));
+ if (h) {
+ g_hash_table_foreach(h, (GHFunc)displayitem_draw, dc);
+ display_context_free(dc);
}
types=g_list_next(types);
}
es=g_list_next(es);
}
- if (gc)
+}
+
+void
+graphics_draw_itemgra(struct graphics *gra, struct itemgra *itm, struct transformation *t)
+{
+ GList *es;
+ struct point p;
+ struct coord c;
+#if 0
+ char *label=NULL;
+#endif
+ struct graphics_gc *gc = NULL;
+ struct graphics_image *img;
+ char *path;
+ es=itm->elements;
+ c.x=0;
+ c.y=0;
+ while (es) {
+ struct element *e=es->data;
+ int count=e->coord_count;
+ struct point pnt[count+1];
+ if (count)
+ transform(t, projection_screen, e->coord, pnt, count, 0, 0, NULL);
+ else {
+ transform(t, projection_screen, &c, pnt, 1, 0, 0, NULL);
+ count=1;
+ }
+ gc=graphics_gc_new(gra);
+ graphics_gc_set_foreground(gc, &e->color);
+ switch (e->type) {
+ case element_polyline:
+ if (e->u.polyline.width > 1)
+ gc->meth.gc_set_linewidth(gc->priv, e->u.polyline.width);
+ if (e->u.polyline.width > 0 && e->u.polyline.dash_num > 0)
+ graphics_gc_set_dashes(gc, e->u.polyline.width,
+ e->u.polyline.offset,
+ e->u.polyline.dash_table,
+ e->u.polyline.dash_num);
+ gra->meth.draw_lines(gra->priv, gc->priv, pnt, count);
+ break;
+ case element_polygon:
+ gra->meth.draw_polygon(gra->priv, gc->priv, pnt, count);
+ break;
+ case element_circle:
+ if (e->u.circle.width > 1)
+ gc->meth.gc_set_linewidth(gc->priv, e->u.polyline.width);
+ gra->meth.draw_circle(gra->priv, gc->priv, &pnt[0], e->u.circle.radius);
+ #if 0
+ // Leftover code, displayitem_draw is intended to be merged with with graphics_draw_itemgra
+ if (label && e->text_size) {
+ struct graphics_font *font=get_font(gra, e->text_size);
+ p.x=pnt[0].x+3;
+ p.y=pnt[0].y+10;
+ if (font)
+ gra->meth.draw_text(gra->priv, gra->gc[2]->priv, gra->gc[1]->priv, font->priv, label, &p, 0x10000, 0);
+ else
+ dbg(0,"Failed to get font with size %d\n",e->text_size);
+ }
+ # endif
+ break;
+ case element_icon:
+ path=graphics_icon_path(e->u.icon.src);
+ img=graphics_image_new_scaled_rotated(gra, path, e->u.icon.width, e->u.icon.height, e->u.icon.rotation);
+ g_free(path);
+ if (! img)
+ dbg(0,"failed to load icon '%s'\n", e->u.icon.src);
+ else {
+ p.x=pnt[0].x - img->hot.x;
+ p.y=pnt[0].y - img->hot.y;
+ gra->meth.draw_image(gra->priv, gc->priv, &p, img->priv);
+ graphics_image_free(gra, img);
+ }
+ break;
+ default:
+ dbg(0,"don't know how to draw %d\n", e->type);
+ }
graphics_gc_destroy(gc);
+ es=g_list_next(es);
+ }
}
-//##############################################################################################################
-//# Description:
-//# Comment:
-//# Authors: Martin Schaller (04/2008)
-//##############################################################################################################
-static void xdisplay_draw_layer(GHashTable *display_list, struct graphics *gra, struct layer *lay, int order)
+/**
+ * FIXME
+ * @param <>
+ * @returns <>
+ * @author Martin Schaller (04/2008)
+*/
+static void xdisplay_draw_layer(struct displaylist *display_list, struct graphics *gra, struct layer *lay, int order)
{
GList *itms;
- struct itemtype *itm;
+ struct itemgra *itm;
- itms=lay->itemtypes;
+ itms=lay->itemgras;
while (itms) {
itm=itms->data;
- if (order >= itm->order_min && order <= itm->order_max)
+ if (order >= itm->order.min && order <= itm->order.max)
xdisplay_draw_elements(gra, display_list, itm);
itms=g_list_next(itms);
}
}
-//##############################################################################################################
-//# Description:
-//# Comment:
-//# Authors: Martin Schaller (04/2008)
-//##############################################################################################################
-static void xdisplay_draw(GHashTable *display_list, struct graphics *gra, struct layout *l, int order)
+/**
+ * FIXME
+ * @param <>
+ * @returns <>
+ * @author Martin Schaller (04/2008)
+*/
+static void xdisplay_draw(struct displaylist *display_list, struct graphics *gra, struct layout *l, int order)
{
GList *lays;
struct layer *lay;
}
}
-//##############################################################################################################
-//# Description:
-//# Comment:
-//# Authors: Martin Schaller (04/2008)
-//##############################################################################################################
+/**
+ * FIXME
+ * @param <>
+ * @returns <>
+ * @author Martin Schaller (04/2008)
+*/
extern void *route_selection;
-//##############################################################################################################
-//# Description:
-//# Comment:
-//# Authors: Martin Schaller (04/2008)
-//##############################################################################################################
-static void do_draw_map(struct displaylist *displaylist, struct transformation *t, struct map *m, int order)
+static void
+do_draw(struct displaylist *displaylist, int cancel, int flags)
{
- enum projection pro;
- struct map_rect *mr;
struct item *item;
- int conv,count,max=16384;
- struct point pnt[max];
+ int count,max=displaylist->dc.maxlen,workload=0;
struct coord ca[max];
struct attr attr;
- struct map_selection *sel;
- pro=map_projection(m);
- conv=map_requires_conversion(m);
- sel=transform_get_selection(t, pro, order);
- if (route_selection)
- mr=map_rect_new(m, route_selection);
- else
- mr=map_rect_new(m, sel);
- if (! mr) {
- map_selection_destroy(sel);
- return;
- }
- while ((item=map_rect_get_item(mr))) {
- count=item_coord_get(item, ca, item->type < type_line ? 1: max);
- if (item->type >= type_line && count < 2) {
- dbg(1,"poly from map has only %d points\n", count);
- continue;
- }
- if (item->type < type_line) {
- if (! map_selection_contains_point(sel, &ca[0])) {
- dbg(1,"point not visible\n");
- continue;
- }
- } else if (item->type < type_area) {
- if (! map_selection_contains_polyline(sel, ca, count)) {
- dbg(1,"polyline not visible\n");
- continue;
- }
- } else {
- if (! map_selection_contains_polygon(sel, ca, count)) {
- dbg(1,"polygon not visible\n");
- continue;
+ profile(0,NULL);
+ while (!cancel) {
+ if (!displaylist->msh)
+ displaylist->msh=mapset_open(displaylist->ms);
+ if (!displaylist->m) {
+ displaylist->m=mapset_next(displaylist->msh, 1);
+ if (!displaylist->m) {
+ mapset_close(displaylist->msh);
+ displaylist->msh=NULL;
+ break;
}
+ displaylist->dc.pro=map_projection(displaylist->m);
+ displaylist->conv=map_requires_conversion(displaylist->m);
+ displaylist->sel=transform_get_selection(displaylist->dc.trans, displaylist->dc.pro, displaylist->order);
+ displaylist->mr=map_rect_new(displaylist->m, displaylist->sel);
}
- if (count == max)
- dbg(0,"point count overflow\n", count);
- count=transform(t, pro, ca, pnt, count, 1);
- if (item->type >= type_line && count < 2) {
- dbg(1,"poly from transform has only %d points\n", count);
- continue;
+ if (displaylist->mr) {
+ while ((item=map_rect_get_item(displaylist->mr))) {
+ count=item_coord_get_within_selection(item, ca, item->type < type_line ? 1: max, displaylist->sel);
+ if (! count)
+ continue;
+ if (count == max) {
+ dbg(0,"point count overflow %d for %s "ITEM_ID_FMT"\n", count,item_to_name(item->type),ITEM_ID_ARGS(*item));
+ displaylist->dc.maxlen=max*2;
+ }
+ if (!item_attr_get(item, attr_label, &attr))
+ attr.u.str=NULL;
+ if (displaylist->conv && attr.u.str && attr.u.str[0]) {
+ char *str=map_convert_string(displaylist->m, attr.u.str);
+ display_add(displaylist, item, count, ca, str);
+ map_convert_free(str);
+ } else
+ display_add(displaylist, item, count, ca, attr.u.str);
+ workload++;
+ if (workload == displaylist->workload)
+ return;
+ }
+ map_rect_destroy(displaylist->mr);
}
- if (!item_attr_get(item, attr_label, &attr))
- attr.u.str=NULL;
- if (conv && attr.u.str && attr.u.str[0]) {
- char *str=map_convert_string(m, attr.u.str);
- display_add(displaylist, item, count, pnt, str);
- map_convert_free(str);
- } else
- display_add(displaylist, item, count, pnt, attr.u.str);
- }
- map_rect_destroy(mr);
- map_selection_destroy(sel);
-}
-
-//##############################################################################################################
-//# Description:
-//# Comment:
-//# Authors: Martin Schaller (04/2008)
-//##############################################################################################################
-static void do_draw(struct displaylist *displaylist, struct transformation *t, GList *mapsets, int order)
-{
- struct mapset *ms;
- struct map *m;
- struct mapset_handle *h;
-
- if (! mapsets)
- return;
- ms=mapsets->data;
- h=mapset_open(ms);
- while ((m=mapset_next(h, 1))) {
- do_draw_map(displaylist, t, m, order);
+ map_selection_destroy(displaylist->sel);
+ displaylist->mr=NULL;
+ displaylist->sel=NULL;
+ displaylist->m=NULL;
}
- mapset_close(h);
-}
-
-//##############################################################################################################
-//# Description:
-//# Comment:
-//# Authors: Martin Schaller (04/2008)
-//##############################################################################################################
-int graphics_ready(struct graphics *this_)
-{
- return this_->ready;
+ profile(1,"process_selection\n");
+ event_remove_idle(displaylist->idle_ev);
+ displaylist->idle_ev=NULL;
+ callback_destroy(displaylist->idle_cb);
+ displaylist->idle_cb=NULL;
+ displaylist->busy=0;
+ graphics_process_selection(displaylist->dc.gra, displaylist);
+ profile(1,"draw\n");
+ if (! cancel)
+ graphics_displaylist_draw(displaylist->dc.gra, displaylist, displaylist->dc.trans, displaylist->layout, flags);
+ map_rect_destroy(displaylist->mr);
+ map_selection_destroy(displaylist->sel);
+ mapset_close(displaylist->msh);
+ displaylist->mr=NULL;
+ displaylist->sel=NULL;
+ displaylist->m=NULL;
+ displaylist->msh=NULL;
+ profile(1,"callback\n");
+ callback_call_1(displaylist->cb, cancel);
+ profile(0,"end\n");
}
-//##############################################################################################################
-//# Description:
-//# Comment:
-//# Authors: Martin Schaller (04/2008)
-//##############################################################################################################
-void graphics_displaylist_draw(struct graphics *gra, struct displaylist *displaylist, struct transformation *trans, struct layout *l, int callback)
+/**
+ * FIXME
+ * @param <>
+ * @returns <>
+ * @author Martin Schaller (04/2008)
+*/
+void graphics_displaylist_draw(struct graphics *gra, struct displaylist *displaylist, struct transformation *trans, struct layout *l, int flags)
{
int order=transform_get_order(trans);
- struct point p;
- p.x=0;
- p.y=0;
+ displaylist->dc.trans=trans;
+ displaylist->dc.gra=gra;
+ displaylist->dc.mindist=transform_get_scale(trans)/2;
// FIXME find a better place to set the background color
- graphics_gc_set_background(gra->gc[0], &l->color);
- graphics_gc_set_foreground(gra->gc[0], &l->color);
- gra->meth.background_gc(gra->priv, gra->gc[0]->priv);
- gra->meth.draw_mode(gra->priv, draw_mode_begin);
- gra->meth.draw_rectangle(gra->priv, gra->gc[0]->priv, &p, 32767, 32767);
- xdisplay_draw(displaylist->dl, gra, l, order+l->order_delta);
- if (callback)
- callback_list_call_attr_0(gra->cbl, attr_postdraw);
- gra->meth.draw_mode(gra->priv, draw_mode_end);
-}
-
-//##############################################################################################################
-//# Description:
-//# Comment:
-//# Authors: Martin Schaller (04/2008)
-//##############################################################################################################
-void graphics_displaylist_move(struct displaylist *displaylist, int dx, int dy)
-{
- struct displaylist_handle *dlh;
- struct displayitem *di;
- int i;
-
- dlh=graphics_displaylist_open(displaylist);
- while ((di=graphics_displaylist_next(dlh))) {
- for (i = 0 ; i < di->count ; i++) {
- di->pnt[i].x+=dx;
- di->pnt[i].y+=dy;
- }
+ if (l) {
+ graphics_gc_set_background(gra->gc[0], &l->color);
+ graphics_gc_set_foreground(gra->gc[0], &l->color);
+ gra->default_font = g_strdup(l->font);
}
- graphics_displaylist_close(dlh);
+ graphics_background_gc(gra, gra->gc[0]);
+ gra->meth.draw_mode(gra->priv, (flags & 8)?draw_mode_begin_clear:draw_mode_begin);
+ if (!(flags & 2))
+ gra->meth.draw_rectangle(gra->priv, gra->gc[0]->priv, &gra->r.lu, gra->r.rl.x-gra->r.lu.x, gra->r.rl.y-gra->r.lu.y);
+ if (l)
+ xdisplay_draw(displaylist, gra, l, order+l->order_delta);
+ if (flags & 1)
+ callback_list_call_attr_0(gra->cbl, attr_postdraw);
+ if (!(flags & 4))
+ gra->meth.draw_mode(gra->priv, draw_mode_end);
}
-//##############################################################################################################
-//# Description:
-//# Comment:
-//# Authors: Martin Schaller (04/2008)
-//##############################################################################################################
-void graphics_draw(struct graphics *gra, struct displaylist *displaylist, GList *mapsets, struct transformation *trans, struct layout *l)
+static void graphics_load_mapset(struct graphics *gra, struct displaylist *displaylist, struct mapset *mapset, struct transformation *trans, struct layout *l, int async, struct callback *cb, int flags)
{
int order=transform_get_order(trans);
dbg(1,"enter");
-
-#if 0
- printf("scale=%d center=0x%x,0x%x mercator scale=%f\n", scale, co->trans->center.x, co->trans->center.y, transform_scale(co->trans->center.y));
-#endif
-
+ if (displaylist->busy) {
+ if (async == 1)
+ return;
+ do_draw(displaylist, 1, flags);
+ }
xdisplay_free(displaylist->dl);
dbg(1,"order=%d\n", order);
+ displaylist->dc.gra=gra;
+ displaylist->ms=mapset;
+ displaylist->dc.trans=trans;
+ displaylist->workload=async ? 100 : 0;
+ displaylist->cb=cb;
+ if (l)
+ order+=l->order_delta;
+ displaylist->order=order;
+ displaylist->busy=1;
+ displaylist->layout=l;
+ if (async) {
+ if (! displaylist->idle_cb)
+ displaylist->idle_cb=callback_new_3(callback_cast(do_draw), displaylist, 0, flags);
+ displaylist->idle_ev=event_add_idle(50, displaylist->idle_cb);
+ } else
+ do_draw(displaylist, 0, flags);
+}
+/**
+ * FIXME
+ * @param <>
+ * @returns <>
+ * @author Martin Schaller (04/2008)
+*/
+void graphics_draw(struct graphics *gra, struct displaylist *displaylist, struct mapset *mapset, struct transformation *trans, struct layout *l, int async, struct callback *cb, int flags)
+{
+ graphics_load_mapset(gra, displaylist, mapset, trans, l, async, cb, flags);
+}
-#if 0
- for (i = 0 ; i < data_window_type_end; i++) {
- data_window_begin(co->data_window[i]);
- }
-#endif
- profile(0,NULL);
- dbg(0,"delta=%d\n", l->order_delta);
- order+=l->order_delta;
- do_draw(displaylist, trans, mapsets, order);
-// profile(1,"do_draw");
- graphics_displaylist_draw(gra, displaylist, trans, l, 1);
- profile(1,"xdisplay_draw");
- profile(0,"end");
-
-#if 0
- for (i = 0 ; i < data_window_type_end; i++) {
- data_window_end(co->data_window[i]);
- }
-#endif
- gra->ready=1;
+int
+graphics_draw_cancel(struct graphics *gra, struct displaylist *displaylist)
+{
+ if (!displaylist->busy)
+ return 0;
+ do_draw(displaylist, 1, 0);
+ return 1;
}
-//##############################################################################################################
-//# Description:
-//# Comment:
-//# Authors: Martin Schaller (04/2008)
-//##############################################################################################################
+/**
+ * FIXME
+ * @param <>
+ * @returns <>
+ * @author Martin Schaller (04/2008)
+*/
struct displaylist_handle {
- GList *hl_head,*hl,*l;
+ GList *hl_head,*hl,*l_head,*l;
};
-//##############################################################################################################
-//# Description:
-//# Comment:
-//# Authors: Martin Schaller (04/2008)
-//##############################################################################################################
+/**
+ * FIXME
+ * @param <>
+ * @returns <>
+ * @author Martin Schaller (04/2008)
+*/
struct displaylist_handle * graphics_displaylist_open(struct displaylist *displaylist)
{
struct displaylist_handle *ret;
ret=g_new0(struct displaylist_handle, 1);
+ if (!displaylist->dl)
+ return NULL;
ret->hl_head=ret->hl=g_hash_to_list(displaylist->dl);
+ if (!ret->hl) {
+ g_free(ret);
+ return NULL;
+ }
+ ret->l_head=ret->l=g_hash_to_list_keys(ret->hl->data);
return ret;
}
-//##############################################################################################################
-//# Description:
-//# Comment:
-//# Authors: Martin Schaller (04/2008)
-//##############################################################################################################
+/**
+ * FIXME
+ * @param <>
+ * @returns <>
+ * @author Martin Schaller (04/2008)
+*/
struct displayitem * graphics_displaylist_next(struct displaylist_handle *dlh)
{
struct displayitem *ret;
+ if (!dlh)
+ return NULL;
if (! dlh->l) {
+ dlh->hl=g_list_next(dlh->hl);
if (!dlh->hl)
return NULL;
- dlh->l=dlh->hl->data;
- dlh->hl=g_list_next(dlh->hl);
+ g_list_free(dlh->l_head);
+ dlh->l_head=dlh->l=g_hash_to_list_keys(dlh->hl->data);
}
ret=dlh->l->data;
dlh->l=g_list_next(dlh->l);
return ret;
}
-//##############################################################################################################
-//# Description:
-//# Comment:
-//# Authors: Martin Schaller (04/2008)
-//##############################################################################################################
+/**
+ * FIXME
+ * @param <>
+ * @returns <>
+ * @author Martin Schaller (04/2008)
+*/
void graphics_displaylist_close(struct displaylist_handle *dlh)
{
- g_list_free(dlh->hl_head);
- g_free(dlh);
+ if (dlh) {
+ g_list_free(dlh->hl_head);
+ g_list_free(dlh->l_head);
+ g_free(dlh);
+ }
}
-//##############################################################################################################
-//# Description:
-//# Comment:
-//# Authors: Martin Schaller (04/2008)
-//##############################################################################################################
+/**
+ * FIXME
+ * @param <>
+ * @returns <>
+ * @author Martin Schaller (04/2008)
+*/
struct displaylist * graphics_displaylist_new(void)
{
- struct displaylist *ret=g_new(struct displaylist, 1);
+ struct displaylist *ret=g_new0(struct displaylist, 1);
ret->dl=g_hash_table_new(NULL,NULL);
+ ret->dc.maxlen=16384;
return ret;
}
-//##############################################################################################################
-//# Description:
-//# Comment:
-//# Authors: Martin Schaller (04/2008)
-//##############################################################################################################
+/**
+ * FIXME
+ * @param <>
+ * @returns <>
+ * @author Martin Schaller (04/2008)
+*/
struct item * graphics_displayitem_get_item(struct displayitem *di)
{
return &di->item;
}
-//##############################################################################################################
-//# Description:
-//# Comment:
-//# Authors: Martin Schaller (04/2008)
-//##############################################################################################################
+int
+graphics_displayitem_get_coord_count(struct displayitem *di)
+{
+ return di->count;
+}
+
+/**
+ * FIXME
+ * @param <>
+ * @returns <>
+ * @author Martin Schaller (04/2008)
+*/
char * graphics_displayitem_get_label(struct displayitem *di)
{
return di->label;
}
-//##############################################################################################################
-//# Description:
-//# Comment:
-//# Authors: Martin Schaller (04/2008)
-//##############################################################################################################
+int
+graphics_displayitem_get_displayed(struct displayitem *di)
+{
+ return di->displayed;
+}
+
+/**
+ * FIXME
+ * @param <>
+ * @returns <>
+ * @author Martin Schaller (04/2008)
+*/
static int within_dist_point(struct point *p0, struct point *p1, int dist)
{
if (p0->x == 32767 || p0->y == 32767 || p1->x == 32767 || p1->y == 32767)
return 0;
}
-//##############################################################################################################
-//# Description:
-//# Comment:
-//# Authors: Martin Schaller (04/2008)
-//##############################################################################################################
+/**
+ * FIXME
+ * @param <>
+ * @returns <>
+ * @author Martin Schaller (04/2008)
+*/
static int within_dist_line(struct point *p, struct point *line_p0, struct point *line_p1, int dist)
{
int vx,vy,wx,wy;
int c1,c2;
struct point line_p;
+ if (line_p0->x < line_p1->x) {
+ if (p->x < line_p0->x - dist)
+ return 0;
+ if (p->x > line_p1->x + dist)
+ return 0;
+ } else {
+ if (p->x < line_p1->x - dist)
+ return 0;
+ if (p->x > line_p0->x + dist)
+ return 0;
+ }
+ if (line_p0->y < line_p1->y) {
+ if (p->y < line_p0->y - dist)
+ return 0;
+ if (p->y > line_p1->y + dist)
+ return 0;
+ } else {
+ if (p->y < line_p1->y - dist)
+ return 0;
+ if (p->y > line_p0->y + dist)
+ return 0;
+ }
+
vx=line_p1->x-line_p0->x;
vy=line_p1->y-line_p0->y;
wx=p->x-line_p0->x;
return within_dist_point(p, &line_p, dist);
}
-//##############################################################################################################
-//# Description:
-//# Comment:
-//# Authors: Martin Schaller (04/2008)
-//##############################################################################################################
+/**
+ * FIXME
+ * @param <>
+ * @returns <>
+ * @author Martin Schaller (04/2008)
+*/
static int within_dist_polyline(struct point *p, struct point *line_pnt, int count, int dist, int close)
{
int i;
return 0;
}
-//##############################################################################################################
-//# Description:
-//# Comment:
-//# Authors: Martin Schaller (04/2008)
-//##############################################################################################################
+/**
+ * FIXME
+ * @param <>
+ * @returns <>
+ * @author Martin Schaller (04/2008)
+*/
static int within_dist_polygon(struct point *p, struct point *poly_pnt, int count, int dist)
{
int i, j, c = 0;
return c;
}
-//##############################################################################################################
-//# Description:
-//# Comment:
-//# Authors: Martin Schaller (04/2008)
-//##############################################################################################################
-int graphics_displayitem_within_dist(struct displayitem *di, struct point *p, int dist)
+/**
+ * FIXME
+ * @param <>
+ * @returns <>
+ * @author Martin Schaller (04/2008)
+*/
+int graphics_displayitem_within_dist(struct displaylist *displaylist, struct displayitem *di, struct point *p, int dist)
{
+ struct point pa[displaylist->dc.maxlen];
+ int count;
+
+ count=transform(displaylist->dc.trans, displaylist->dc.pro, di->c, pa, di->count, 1, 0, NULL);
+
if (di->item.type < type_line) {
- return within_dist_point(p, &di->pnt[0], dist);
+ return within_dist_point(p, &pa[0], dist);
}
if (di->item.type < type_area) {
- return within_dist_polyline(p, di->pnt, di->count, dist, 0);
+ return within_dist_polyline(p, pa, count, dist, 0);
+ }
+ return within_dist_polygon(p, pa, count, dist);
+}
+
+
+static void
+graphics_process_selection_item(struct displaylist *dl, struct item *item)
+{
+ struct displayitem di,*di_res;
+ GHashTable *h;
+ int count,max=dl->dc.maxlen;
+ struct coord ca[max];
+ struct attr attr;
+ struct map_rect *mr;
+
+ di.item=*item;
+ di.label=NULL;
+ di.displayed=0;
+ di.count=0;
+ h=g_hash_table_lookup(dl->dl, GINT_TO_POINTER(di.item.type));
+ if (h) {
+ di_res=g_hash_table_lookup(h, &di);
+ if (di_res) {
+ di.item.type=(enum item_type)item->priv_data;
+ display_add(dl, &di.item, di_res->count, di_res->c, NULL);
+ return;
+ }
+ }
+ mr=map_rect_new(item->map, NULL);
+ item=map_rect_get_item_byid(mr, item->id_hi, item->id_lo);
+ count=item_coord_get(item, ca, item->type < type_line ? 1: max);
+ if (!item_attr_get(item, attr_label, &attr))
+ attr.u.str=NULL;
+ if (dl->conv && attr.u.str && attr.u.str[0]) {
+ char *str=map_convert_string(item->map, attr.u.str);
+ display_add(dl, item, count, ca, str);
+ map_convert_free(str);
+ } else
+ display_add(dl, item, count, ca, attr.u.str);
+ map_rect_destroy(mr);
+}
+
+void
+graphics_add_selection(struct graphics *gra, struct item *item, enum item_type type, struct displaylist *dl)
+{
+ struct item *item_dup=g_new(struct item, 1);
+ *item_dup=*item;
+ item_dup->priv_data=(void *)type;
+ gra->selection=g_list_append(gra->selection, item_dup);
+ if (dl)
+ graphics_process_selection_item(dl, item_dup);
+}
+
+void
+graphics_remove_selection(struct graphics *gra, struct item *item, enum item_type type, struct displaylist *dl)
+{
+ GList *curr;
+ int found;
+
+ for (;;) {
+ curr=gra->selection;
+ found=0;
+ while (curr) {
+ struct item *sitem=curr->data;
+ if (item_is_equal(*item,*sitem)) {
+ if (dl) {
+ struct displayitem di;
+ GHashTable *h;
+ di.item=*sitem;
+ di.label=NULL;
+ di.displayed=0;
+ di.count=0;
+ di.item.type=type;
+ h=g_hash_table_lookup(dl->dl, GINT_TO_POINTER(di.item.type));
+ if (h)
+ g_hash_table_remove(h, &di);
+ }
+ g_free(sitem);
+ gra->selection=g_list_remove(gra->selection, curr->data);
+ found=1;
+ break;
+ }
+ }
+ if (!found)
+ return;
+ }
+}
+
+void
+graphics_clear_selection(struct graphics *gra, struct displaylist *dl)
+{
+ while (gra->selection) {
+ struct item *item=(struct item *)gra->selection->data;
+ graphics_remove_selection(gra, item, (enum item_type)item->priv_data,dl);
+ }
+}
+
+static void
+graphics_process_selection(struct graphics *gra, struct displaylist *dl)
+{
+ GList *curr;
+
+ curr=gra->selection;
+ while (curr) {
+ struct item *item=curr->data;
+ graphics_process_selection_item(dl, item);
+ curr=g_list_next(curr);
}
- return within_dist_polygon(p, di->pnt, di->count, dist);
}
projects / navit-package / blobdiff