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-rw-r--r--src/gdk/cdgdk.c1442
-rw-r--r--src/gdk/cdgdk.h16
2 files changed, 286 insertions, 1172 deletions
diff --git a/src/gdk/cdgdk.c b/src/gdk/cdgdk.c
index 512f3b1..7557706 100644
--- a/src/gdk/cdgdk.c
+++ b/src/gdk/cdgdk.c
@@ -14,17 +14,10 @@
#include <gdk/gdk.h>
-
-static GdkColor (*cdgdkGetPixel)(cdCtxCanvas *ctxcanvas, unsigned long rgb); /* access to the color table */
-static void (*cdgdkGetRGB)(cdCtxCanvas *ctxcanvas, unsigned long pixel,
- unsigned char* red,
- unsigned char* green,
- unsigned char* blue); /* access to the color table */
-static int cdgdkDirectColorTable[256]; /* used with directColor visuals */
-
#define NUM_HATCHES 6
#define HATCH_WIDTH 8
#define HATCH_HEIGHT 8
+
/*
** 6 predefined patterns to be accessed through cdHatch(
CD_HORIZONTAL | CD_VERTICAL | CD_FDIAGONAL | CD_BDIAGONAL |
@@ -101,138 +94,7 @@ char* cdgdkStrConvertToUTF8(cdCtxCanvas *ctxcanvas, const char* str, int length)
return (char*)str;
}
-static void update_colors(cdCtxCanvas *ctxcanvas)
-{
- gboolean success;
- gdk_colormap_alloc_colors(ctxcanvas->colormap, ctxcanvas->color_table, ctxcanvas->num_colors, FALSE, TRUE, &success);
-}
-
-static int find_color(cdCtxCanvas *ctxcanvas, GdkColor xc1)
-{
- int pos = 0, i;
- unsigned long min_dist = ULONG_MAX, this_dist;
- int dr, dg, db;
- GdkColor xc2;
-
- for (i = 0; i < ctxcanvas->num_colors; i++)
- {
- xc2 = ctxcanvas->color_table[i];
-
- dr = (xc1.red - xc2.red) / 850; /* 0.30 / 255 */
- dg = (xc1.green - xc2.green) / 432; /* 0.59 / 255 */
- db = (xc1.blue - xc2.blue) / 2318; /* 0.11 / 255 */
-
- this_dist = dr*dr + dg*dg + db*db;
-
- if (this_dist < min_dist)
- {
- min_dist = this_dist;
- pos = i;
- }
- }
-
- return pos;
-}
-
-/* Search the nearest RGB in the color table */
-static unsigned long nearest_rgb(cdCtxCanvas *ctxcanvas, GdkColor clr)
-{
- static int nearest_try = 0;
-
- int pos = find_color(ctxcanvas, clr);
-
- /* Is the color allocated? */
- if (!gdk_colormap_alloc_color(ctxcanvas->colormap, &(ctxcanvas->color_table[pos]), FALSE, TRUE))
- {
- /* Not allocated = update the table and search again */
- /* Because the color can be found in an application that no longer exists */
- /* Once updated, the problem doesn't occur during a new search */
- /* or the cell is read write */
-
- if (nearest_try == 1)
- {
- nearest_try = 0;
- return ctxcanvas->color_table[pos].pixel;
- }
-
- /* What is slower?
- Make a query colors across the nearest (probably, this should be slower)
- or execute the previous search, firstly, and risking a repeat? */
-
- update_colors(ctxcanvas);
-
- nearest_try = 1; /* ensures that this will be done only once */
- return nearest_rgb(ctxcanvas, clr);
- }
-
- return ctxcanvas->color_table[pos].pixel;
-}
-
-/* GetPixel using the conversion table. Used when the system is not True color. */
-static GdkColor not_truecolor_get_pixel(cdCtxCanvas *ctxcanvas, unsigned long rgb)
-{
- GdkColor clr;
-
- clr.red = cdCOLOR8TO16(cdRed(rgb));
- clr.green = cdCOLOR8TO16(cdGreen(rgb));
- clr.blue = cdCOLOR8TO16(cdBlue(rgb));
-
- /* Is there a new color available? */
- if (!gdk_colormap_alloc_color(ctxcanvas->colormap, &clr, FALSE, TRUE))
- {
- /* Not available: search the nearest rgb in color table */
- clr.pixel = nearest_rgb(ctxcanvas, clr);
- }
- else
- {
- /* Available: update the color table */
- ctxcanvas->color_table[clr.pixel] = clr;
- }
-
- return clr;
-}
-
-/* GetRGB using the conversion table. Used when the system is not True color. */
-static void not_truecolor_get_rgb(cdCtxCanvas *ctxcanvas, unsigned long pixel, unsigned char* red, unsigned char* green, unsigned char* blue)
-{
- GdkColor clr;
-
- gdk_colormap_query_color(ctxcanvas->colormap, pixel, &clr);
-
- *red = cdCOLOR16TO8(clr.red);
- *green = cdCOLOR16TO8(clr.green);
- *blue = cdCOLOR16TO8(clr.blue);
-}
-
-/* GetRGB function used in True color system. */
-static void truecolor_get_rgb(cdCtxCanvas *ctxcanvas, unsigned long pixel, unsigned char* red, unsigned char* green, unsigned char* blue)
-{
- unsigned long r = pixel & ctxcanvas->vis->red_mask;
- unsigned long g = pixel & ctxcanvas->vis->green_mask;
- unsigned long b = pixel & ctxcanvas->vis->blue_mask;
-
- if (ctxcanvas->rshift < 0)
- r = r >> (-ctxcanvas->rshift);
- else
- r = r << ctxcanvas->rshift;
-
- if (ctxcanvas->gshift < 0)
- g = g >> (-ctxcanvas->gshift);
- else
- g = g << ctxcanvas->gshift;
-
- if (ctxcanvas->bshift < 0)
- b = b >> (-ctxcanvas->bshift);
- else
- b = b << ctxcanvas->bshift;
-
- *red = cdCOLOR16TO8(r);
- *green = cdCOLOR16TO8(g);
- *blue = cdCOLOR16TO8(b);
-}
-
-/* GetPixel function used in TrueColor mode. */
-static GdkColor truecolor_get_pixel(cdCtxCanvas *ctxcanvas, unsigned long rgb)
+static GdkColor cdColorToGdk(unsigned long rgb)
{
GdkColor clrRGB;
@@ -240,127 +102,27 @@ static GdkColor truecolor_get_pixel(cdCtxCanvas *ctxcanvas, unsigned long rgb)
clrRGB.green = cdCOLOR8TO16(cdGreen(rgb));
clrRGB.blue = cdCOLOR8TO16(cdBlue(rgb));
- (void)ctxcanvas;
-
return clrRGB;
}
-/* Returns position of highest set bit in 'ul' as an integer (0-31), or -1 if none */
-static int highbit(unsigned long ul)
-{
- int i;
- unsigned long hb;
-
- hb = 0x80;
- hb = hb << 24; /* hb = 0x80000000UL */
-
- for(i = 31; ((ul & hb) == 0) && i >= 0; i--, ul <<= 1);
- return i;
-}
-
-static void makeDirectCmap(cdCtxCanvas *ctxcanvas, GdkColormap* cmap)
-{
- int i, cmaplen, numgot;
- unsigned char origgot[256];
- GdkColor c;
- unsigned long rmask, gmask, bmask;
- int rshift, gshift, bshift;
-
- rmask = ctxcanvas->vis->red_mask;
- gmask = ctxcanvas->vis->green_mask;
- bmask = ctxcanvas->vis->blue_mask;
-
- rshift = highbit(rmask) - 15;
- gshift = highbit(gmask) - 15;
- bshift = highbit(bmask) - 15;
-
- if (rshift < 0) rmask = rmask << (-rshift);
- else rmask = rmask >> rshift;
-
- if (gshift < 0) gmask = gmask << (-gshift);
- else gmask = gmask >> gshift;
-
- if (bshift < 0) bmask = bmask << (-bshift);
- else bmask = bmask >> bshift;
-
- cmaplen = ctxcanvas->vis->colormap_size;
-
- if (cmaplen > 256)
- cmaplen = 256;
-
- /* try to alloc a 'cmaplen' long grayscale colormap. May not get all
- entries for whatever reason. Build table 'cdgdkDirectColorTable[]' that
- maps range [0..(cmaplen-1)] into set of colors we did get */
-
- for (i = 0; i < 256; i++)
- {
- origgot[i] = 0;
- cdgdkDirectColorTable[i] = i;
- }
-
- for (i = numgot = 0; i < cmaplen; i++)
- {
- c.red = c.green = c.blue = (unsigned short)((i * 0xffff) / (cmaplen - 1));
- c.red = (unsigned short)(c.red & rmask);
- c.green = (unsigned short)(c.green & gmask);
- c.blue = (unsigned short)(c.blue & bmask);
-
- if (gdk_colormap_alloc_color(cmap, &c, FALSE, TRUE))
- {
- origgot[i] = 1;
- numgot++;
- }
- }
-
- if (numgot == 0)
- return;
-
- /* cdgdkDirectColorTable may or may not have holes in it. */
- for (i = 0; i < cmaplen; i++)
- {
- if (!origgot[i])
- {
- int numbak, numfwd;
- numbak = numfwd = 0;
- while ((i - numbak) >= 0 && !origgot[i-numbak]) numbak++;
- while ((i + numfwd) < cmaplen && !origgot[i+numfwd]) numfwd++;
-
- if (i-numbak < 0 || !origgot[i-numbak]) numbak = 999;
- if (i+numfwd >= cmaplen || !origgot[i+numfwd]) numfwd = 999;
-
- if (numbak < numfwd) cdgdkDirectColorTable[i] = cdgdkDirectColorTable[i-numbak];
- else if (numfwd < 999) cdgdkDirectColorTable[i] = cdgdkDirectColorTable[i+numfwd];
- }
- }
-}
-
/******************************************************/
void cdgdkKillCanvas(cdCtxCanvas *ctxcanvas)
{
if (ctxcanvas->canvas->bpp <= 8)
{
- /* release all colors used in palette */
- g_object_unref(ctxcanvas->color_table);
-
- if (ctxcanvas->colormap != gdk_colormap_get_system())
+ if (ctxcanvas->colormap != gdk_gc_get_colormap(ctxcanvas->gc))
g_object_unref(ctxcanvas->colormap);
}
- if (ctxcanvas->xidata) free(ctxcanvas->xidata);
if (ctxcanvas->last_hatch) g_object_unref(ctxcanvas->last_hatch);
- if (ctxcanvas->clip_polygon) g_object_unref(ctxcanvas->clip_polygon);
if (ctxcanvas->fontdesc) pango_font_description_free(ctxcanvas->fontdesc);
if (ctxcanvas->fontlayout) g_object_unref(ctxcanvas->fontlayout);
if (ctxcanvas->fontcontext) g_object_unref(ctxcanvas->fontcontext);
- if (ctxcanvas->new_region)
- {
- g_object_unref(ctxcanvas->region_aux_gc);
- g_object_unref(ctxcanvas->region_aux);
- g_object_unref(ctxcanvas->new_region);
- }
+ if (ctxcanvas->new_rgn) gdk_region_destroy(ctxcanvas->new_rgn);
+ if (ctxcanvas->clip_rgn) gdk_region_destroy(ctxcanvas->clip_rgn);
if (ctxcanvas->last_pattern)
{
@@ -384,58 +146,30 @@ void cdgdkKillCanvas(cdCtxCanvas *ctxcanvas)
static void cdflush(cdCtxCanvas *ctxcanvas)
{
(void)ctxcanvas;
-
- gdk_error_trap_push ();
- gdk_flush ();
- gdk_error_trap_pop ();
+ gdk_error_trap_push();
+ gdk_flush();
+ gdk_error_trap_pop();
}
/******************************************************/
-static GdkPixmap* build_clip_polygon(cdCtxCanvas *ctxcanvas, GdkPoint* pnt, int n)
+static void gdkClipArea(cdCtxCanvas *ctxcanvas)
{
- GdkPixmap *pix = gdk_pixmap_new(ctxcanvas->wnd, ctxcanvas->canvas->w, ctxcanvas->canvas->h, 1);
- GdkGC *gc = gdk_gc_new((GdkDrawable*)pix);
- GdkColor clr;
+ GdkRectangle rect;
- clr.pixel = 0;
- gdk_gc_set_foreground(gc, &clr);
- gdk_draw_rectangle(pix, gc, TRUE, 0, 0, ctxcanvas->canvas->w, ctxcanvas->canvas->h);
-
- clr.pixel = 1;
- gdk_gc_set_foreground(gc, &clr);
- gdk_region_polygon(pnt, n, ctxcanvas->canvas->fill_mode == CD_EVENODD ? GDK_EVEN_ODD_RULE : GDK_WINDING_RULE);
- gdk_draw_polygon(pix, gc, TRUE, pnt, n);
-
- g_object_unref(gc);
+ rect.x = ctxcanvas->canvas->clip_rect.xmin;
+ rect.y = ctxcanvas->canvas->clip_rect.ymin;
+ rect.width = ctxcanvas->canvas->clip_rect.xmax - ctxcanvas->canvas->clip_rect.xmin;
+ rect.height = ctxcanvas->canvas->clip_rect.ymax - ctxcanvas->canvas->clip_rect.ymin;
- return pix;
-}
+ gdk_gc_set_clip_rectangle(ctxcanvas->gc, &rect);
-static void gdksetclip_area(cdCtxCanvas *ctxcanvas)
-{
- cdRect* clip_rect = &ctxcanvas->canvas->clip_rect;
- if (ctxcanvas->canvas->use_matrix)
- {
- cdPoint poly[4];
- poly[0].x = clip_rect->xmin; poly[0].y = clip_rect->ymin;
- poly[1].x = clip_rect->xmin; poly[1].y = clip_rect->ymax;
- poly[2].x = clip_rect->xmax; poly[2].y = clip_rect->ymax;
- poly[3].x = clip_rect->xmax; poly[3].y = clip_rect->ymin;
- ctxcanvas->canvas->cxPoly(ctxcanvas, CD_CLIP, poly, 4);
- }
- else
- {
- GdkRectangle rect;
- rect.x = (short)clip_rect->xmin;
- rect.y = (short)clip_rect->ymin;
- rect.width = (unsigned short)(clip_rect->xmax - clip_rect->xmin + 1);
- rect.height = (unsigned short)(clip_rect->ymax - clip_rect->ymin + 1);
- gdk_gc_set_clip_rectangle(ctxcanvas->gc, &rect);
- }
+ if (ctxcanvas->clip_rgn)
+ gdk_region_destroy(ctxcanvas->clip_rgn);
+ ctxcanvas->clip_rgn = NULL;
}
-int cdgdkClip(cdCtxCanvas *ctxcanvas, int clip_mode)
+static int cdclip(cdCtxCanvas *ctxcanvas, int clip_mode)
{
switch (clip_mode)
{
@@ -443,17 +177,21 @@ int cdgdkClip(cdCtxCanvas *ctxcanvas, int clip_mode)
gdk_gc_set_clip_mask(ctxcanvas->gc, NULL);
break;
case CD_CLIPAREA:
- gdksetclip_area(ctxcanvas);
+ gdkClipArea(ctxcanvas);
break;
case CD_CLIPPOLYGON:
- if (ctxcanvas->clip_polygon)
- gdk_gc_set_clip_mask(ctxcanvas->gc, (GdkBitmap*)ctxcanvas->clip_polygon);
+ if (ctxcanvas->clip_rgn)
+ gdk_gc_set_clip_region(ctxcanvas->gc, ctxcanvas->clip_rgn);
break;
case CD_CLIPREGION:
- if (ctxcanvas->new_region)
- gdk_gc_set_clip_mask(ctxcanvas->gc, (GdkBitmap*)ctxcanvas->new_region);
+ if (ctxcanvas->new_rgn)
+ {
+ //ctxcanvas->clip_rgn = gdk_region_copy(ctxcanvas->new_rgn);
+ gdk_gc_set_clip_region(ctxcanvas->gc, ctxcanvas->new_rgn);
+ }
break;
}
+
return clip_mode;
}
@@ -465,169 +203,69 @@ static void cdcliparea(cdCtxCanvas *ctxcanvas, int xmin, int xmax, int ymin, int
ctxcanvas->canvas->clip_rect.ymin = ymin;
ctxcanvas->canvas->clip_rect.xmax = xmax;
ctxcanvas->canvas->clip_rect.ymax = ymax;
- cdgdkClip(ctxcanvas, CD_CLIPAREA);
+ cdclip(ctxcanvas, CD_CLIPAREA);
}
}
static void cdnewregion(cdCtxCanvas *ctxcanvas)
{
- GdkColor clr;
-
- if (ctxcanvas->new_region)
- {
- g_object_unref(ctxcanvas->region_aux_gc);
- g_object_unref(ctxcanvas->region_aux);
- g_object_unref(ctxcanvas->new_region);
- }
-
- ctxcanvas->new_region = gdk_pixmap_new(ctxcanvas->wnd, ctxcanvas->canvas->w, ctxcanvas->canvas->h, 1);
- {
- GdkGC* gc = gdk_gc_new((GdkDrawable*)ctxcanvas->new_region);
-
- clr.pixel = 0;
- gdk_gc_set_foreground(gc, &clr);
-
- gdk_draw_rectangle(ctxcanvas->new_region, gc, TRUE, 0, 0, ctxcanvas->canvas->w, ctxcanvas->canvas->h);
-
- g_object_unref(gc);
- }
-
- ctxcanvas->region_aux = gdk_pixmap_new(ctxcanvas->wnd, ctxcanvas->canvas->w, ctxcanvas->canvas->h, 1);
- ctxcanvas->region_aux_gc = gdk_gc_new((GdkDrawable*)ctxcanvas->region_aux);
- gdk_gc_set_colormap(ctxcanvas->region_aux_gc, gdk_screen_get_default_colormap(ctxcanvas->scr));
+ if (ctxcanvas->new_rgn)
+ gdk_region_destroy(ctxcanvas->new_rgn);
- clr.pixel = 0;
- gdk_gc_set_background(ctxcanvas->region_aux_gc, &clr);
+ ctxcanvas->new_rgn = gdk_region_new();
}
static int cdispointinregion(cdCtxCanvas *ctxcanvas, int x, int y)
{
- if (!ctxcanvas->new_region)
+ if (!ctxcanvas->new_rgn)
return 0;
- if (x >= 0 && y >= 0 && x < ctxcanvas->canvas->w && y < ctxcanvas->canvas->h)
- {
- long p;
- GdkImage* img = gdk_drawable_get_image((GdkDrawable*)ctxcanvas->new_region, 0, 0, ctxcanvas->canvas->w, ctxcanvas->canvas->h);
-
- p = gdk_image_get_pixel(img, x, y);
- g_object_unref(img);
-
- if (p)
- return 1;
- }
+ if (gdk_region_point_in(ctxcanvas->new_rgn, x, y))
+ return 1;
return 0;
}
-static void cdgetregionbox(cdCtxCanvas *ctxcanvas, int *xmin, int *xmax, int *ymin, int *ymax)
+static void cdoffsetregion(cdCtxCanvas *ctxcanvas, int x, int y)
{
- if (!ctxcanvas->new_region)
+ if (!ctxcanvas->new_rgn)
return;
-
- *xmin = ctxcanvas->canvas->w-1;
- *xmax = 0;
- *ymin = ctxcanvas->canvas->h-1;
- *ymax = 0;
-
- {
- int x, y;
- long p;
- GdkImage* img = gdk_drawable_get_image((GdkDrawable*)ctxcanvas->new_region, 0, 0, ctxcanvas->canvas->w, ctxcanvas->canvas->h);
-
- for (y = 0; y < ctxcanvas->canvas->h; y++)
- {
- for (x = 0; x < ctxcanvas->canvas->w; x++)
- {
- p = gdk_image_get_pixel(img, x, y);
-
- if (p)
- {
- if (x < *xmin) *xmin = x;
- if (x > *xmax) *xmax = x;
- if (y < *ymin) *ymin = y;
- if (y > *ymax) *ymax = y;
- break;
- }
- }
-
- if (x != ctxcanvas->canvas->w-1)
- {
- for (x = ctxcanvas->canvas->w-1; x >= 0; x--)
- {
- p = gdk_image_get_pixel(img, x, y);
-
- if (p)
- {
- if (x < *xmin) *xmin = x;
- if (x > *xmax) *xmax = x;
- if (y < *ymin) *ymin = y;
- if (y > *ymax) *ymax = y;
- break;
- }
- }
- }
- }
-
- g_object_unref(img);
- }
+
+ gdk_region_offset(ctxcanvas->new_rgn, x, y);
}
-static void sPrepareRegion(cdCtxCanvas *ctxcanvas)
+static void cdgetregionbox(cdCtxCanvas *ctxcanvas, int *xmin, int *xmax, int *ymin, int *ymax)
{
- GdkColor clr;
-
- if (!ctxcanvas->new_region)
- return;
-
- gdk_gc_set_function(ctxcanvas->region_aux_gc, GDK_COPY);
+ GdkRectangle rect;
- clr.pixel = 0;
- gdk_gc_set_foreground(ctxcanvas->region_aux_gc, &clr);
+ if (!ctxcanvas->new_rgn)
+ return;
- gdk_draw_rectangle(ctxcanvas->region_aux, ctxcanvas->region_aux_gc, TRUE, 0, 0, ctxcanvas->canvas->w, ctxcanvas->canvas->h);
+ gdk_region_get_clipbox(ctxcanvas->new_rgn, &rect);
- clr.pixel = 1;
- gdk_gc_set_foreground(ctxcanvas->region_aux_gc, &clr);
+ *xmin = rect.x;
+ *xmax = rect.x + rect.width;
+ *ymin = rect.y;
+ *ymax = rect.y + rect.height;
}
-static void sCombineRegion(cdCtxCanvas *ctxcanvas)
+static void sCombineRegion(cdCtxCanvas *ctxcanvas, GdkRegion* rgn)
{
switch(ctxcanvas->canvas->combine_mode)
{
case CD_UNION:
- gdk_gc_set_function(ctxcanvas->region_aux_gc, GDK_OR);
+ gdk_region_union(ctxcanvas->new_rgn, rgn);
break;
case CD_INTERSECT:
- gdk_gc_set_function(ctxcanvas->region_aux_gc, GDK_AND);
+ gdk_region_intersect(ctxcanvas->new_rgn, rgn);
break;
case CD_DIFFERENCE:
- gdk_gc_set_function(ctxcanvas->region_aux_gc, GDK_AND_INVERT);
+ gdk_region_subtract(ctxcanvas->new_rgn, rgn);
break;
case CD_NOTINTERSECT:
- gdk_gc_set_function(ctxcanvas->region_aux_gc, GDK_XOR);
+ gdk_region_xor(ctxcanvas->new_rgn, rgn);
break;
}
-
- gdk_draw_drawable((GdkDrawable*)ctxcanvas->new_region, ctxcanvas->region_aux_gc,
- (GdkDrawable*)ctxcanvas->region_aux, 0, 0, 0, 0,
- ctxcanvas->canvas->w, ctxcanvas->canvas->h);
-}
-
-static void cdoffsetregion(cdCtxCanvas *ctxcanvas, int x, int y)
-{
- if (!ctxcanvas->new_region)
- return;
-
- sPrepareRegion(ctxcanvas);
-
- gdk_draw_drawable((GdkDrawable*)ctxcanvas->new_region, ctxcanvas->region_aux_gc,
- (GdkDrawable*)ctxcanvas->region_aux, 0, 0, x, y,
- ctxcanvas->canvas->w-x, ctxcanvas->canvas->h-y);
-
- gdk_draw_drawable((GdkDrawable*)ctxcanvas->region_aux, ctxcanvas->region_aux_gc,
- (GdkDrawable*)ctxcanvas->new_region, 0, 0, 0, 0,
- ctxcanvas->canvas->w, ctxcanvas->canvas->h);
}
/******************************************************/
@@ -750,27 +388,10 @@ static void cdstipple(cdCtxCanvas *ctxcanvas, int w, int h, const unsigned char
cdinteriorstyle(ctxcanvas, CD_STIPPLE);
}
-static int find_match(unsigned long* palette, int pal_size, unsigned long color, unsigned char *match)
-{
- int i;
-
- for (i = 0; i < pal_size; i++)
- {
- if (palette[i] == color)
- {
- *match = (unsigned char)i;
- return 1;
- }
- }
-
- return 0;
-}
-
static void cdpattern(cdCtxCanvas *ctxcanvas, int w, int h, const long int *colors)
{
- int x, y, i;
- int size = w*h;
- GdkColor *pixels = g_new (GdkColor, size);
+ int x, y;
+ GdkColor color;
if (ctxcanvas->last_pattern == 0 || (ctxcanvas->last_pattern_w != w || ctxcanvas->last_pattern_h != h))
{
@@ -789,59 +410,17 @@ static void cdpattern(cdCtxCanvas *ctxcanvas, int w, int h, const long int *colo
ctxcanvas->last_pattern_h = h;
}
- if (ctxcanvas->canvas->bpp <= 8)
- {
- GdkColor* match_table; /* GDK colors */
- unsigned long palette[256]; /* CD colors */
- unsigned char *index = (unsigned char*)malloc(size), match;
- int pal_size = 1;
- palette[0] = colors[0];
-
- /* find the "n" first different colors of the image (to 256) */
- for(i = 0; i < size; i++)
- {
- if (!find_match(palette, pal_size, colors[i], &match))
- {
- palette[pal_size] = colors[i];
- index[i] = (unsigned char)pal_size;
- pal_size++;
-
- if (pal_size == 256)
- break;
- }
- else
- index[i] = match;
- }
-
- /* CD colors to GDK colors */
- match_table = g_new (GdkColor, pal_size);
- for (i = 0; i < pal_size; i++)
- match_table[i] = cdgdkGetPixel(ctxcanvas, palette[i]);
-
- /* CD image to GDK image */
- for (i = 0; i < size; i++)
- pixels[i] = match_table[index[i]];
-
- g_free(match_table);
- free(index);
- }
- else
- {
- for(i=0;i<size;i++)
- pixels[i] = cdgdkGetPixel(ctxcanvas, colors[i]);
- }
-
for (y = 0; y < h; y++)
{
for (x = 0; x < w; x++)
{
- gdk_gc_set_rgb_fg_color(ctxcanvas->last_pattern_gc, &pixels[y*w+x]);
+ color = cdColorToGdk(colors[y*w+x]);
+ gdk_gc_set_rgb_fg_color(ctxcanvas->last_pattern_gc, &color);
gdk_draw_point(ctxcanvas->last_pattern, ctxcanvas->last_pattern_gc, x, h-y-1);
}
}
cdinteriorstyle(ctxcanvas, CD_PATTERN);
- g_free(pixels);
}
static int cdlinestyle(cdCtxCanvas *ctxcanvas, int style)
@@ -1039,14 +618,14 @@ static void cdgetfontdim(cdCtxCanvas *ctxcanvas, int *max_width, int *height, in
static long int cdbackground(cdCtxCanvas *ctxcanvas, long int color)
{
- ctxcanvas->bg = cdgdkGetPixel(ctxcanvas, color);
+ ctxcanvas->bg = cdColorToGdk(color);
gdk_gc_set_rgb_bg_color(ctxcanvas->gc, &ctxcanvas->bg);
return color;
}
static long int cdforeground(cdCtxCanvas *ctxcanvas, long int color)
{
- ctxcanvas->fg = cdgdkGetPixel(ctxcanvas, color);
+ ctxcanvas->fg = cdColorToGdk(color);
gdk_gc_set_rgb_fg_color(ctxcanvas->gc, &ctxcanvas->fg);
return color;
}
@@ -1054,72 +633,40 @@ static long int cdforeground(cdCtxCanvas *ctxcanvas, long int color)
static void cdpalette(cdCtxCanvas *ctxcanvas, int n, const long int *palette, int mode)
{
int i;
- GdkColor *pixels = g_new (GdkColor, 256);
-
- for(i = 0; i < ctxcanvas->num_colors; i++)
- pixels[i] = ctxcanvas->color_table[i];
-
- gdk_colormap_free_colors(ctxcanvas->colormap, ctxcanvas->color_table, ctxcanvas->num_colors);
+ GdkColor clr;
if (mode == CD_FORCE)
{
- GdkColor clr;
- int tokeep;
-
- /* if POLITE then allocates own palette */
- if (ctxcanvas->colormap == gdk_colormap_get_system())
+ /* if was POLITE then allocates own palette */
+ if (ctxcanvas->colormap == gdk_gc_get_colormap(ctxcanvas->gc))
ctxcanvas->colormap = gdk_colormap_new(ctxcanvas->vis, FALSE);
- /* if FORCE then it will allocate all colors...
- but if the number of colors is less than the maximum
- then the difference is used to preserve the first allocated colors in the default colormap. */
- tokeep = ctxcanvas->num_colors - n;
- if (tokeep)
- {
- gboolean success;
-
- for (i=0; i<tokeep; i++)
- ctxcanvas->color_table[i].pixel = i;
-
- gdk_colormap_alloc_colors(gdk_colormap_get_system(), ctxcanvas->color_table, tokeep, FALSE, TRUE, &success);
-
- /* reserve these colors to use in CD */
- for (i=0; i<tokeep; i++)
- gdk_colormap_alloc_color(ctxcanvas->colormap, &(ctxcanvas->color_table[i]), FALSE, TRUE);
- }
-
/* allocate all the palette colors to the CD */
for (i = 0; i < n; i++)
{
- clr.red = cdCOLOR8TO16(cdRed(palette[i]));
- clr.green = cdCOLOR8TO16(cdGreen(palette[i]));
- clr.blue = cdCOLOR8TO16(cdBlue(palette[i]));
- gdk_colormap_alloc_color(ctxcanvas->colormap, &clr, FALSE, TRUE);
+ clr = cdColorToGdk(palette[i]);
+ gdk_colormap_alloc_color(ctxcanvas->colormap, &clr, FALSE, FALSE);
}
- /* update the entire color table */
+ /* set directly on the drawable */
gdk_drawable_set_colormap(ctxcanvas->wnd, ctxcanvas->colormap);
- update_colors(ctxcanvas);
}
else
{
/* if was FORCE, remove the own palette */
- if (ctxcanvas->colormap != gdk_colormap_get_system())
+ if (ctxcanvas->colormap != gdk_gc_get_colormap(ctxcanvas->gc))
{
g_object_unref(ctxcanvas->colormap);
- ctxcanvas->colormap = gdk_colormap_get_system();
+ ctxcanvas->colormap = gdk_gc_get_colormap(ctxcanvas->gc);
}
- /* Update the color table before adding new colors.
- After all, all released before that we could. */
- update_colors(ctxcanvas);
-
/* if POLITE then just try to allocate all the colors of the palette */
for (i = 0; i < n; i++)
- cdgdkGetPixel(ctxcanvas, palette[i]);
+ {
+ clr = cdColorToGdk(palette[i]);
+ gdk_colormap_alloc_color(ctxcanvas->colormap, &clr, FALSE, TRUE);
+ }
}
-
- g_free(pixels);
}
/******************************************************/
@@ -1140,15 +687,21 @@ static void cdclear(cdCtxCanvas* ctxcanvas)
GdkColor clr;
cdgdkCheckSolidStyle(ctxcanvas, 1);
-
- clr = cdgdkGetPixel(ctxcanvas, ctxcanvas->canvas->background);
+
+ if (ctxcanvas->canvas->clip_mode != CD_CLIPOFF)
+ gdk_gc_set_clip_mask(ctxcanvas->gc, NULL);
+
+ clr = cdColorToGdk(ctxcanvas->canvas->background);
gdk_gc_set_rgb_fg_color(ctxcanvas->gc, &clr);
gdk_draw_rectangle(ctxcanvas->wnd, ctxcanvas->gc, TRUE, 0, 0, ctxcanvas->canvas->w, ctxcanvas->canvas->h);
- clr = cdgdkGetPixel(ctxcanvas, ctxcanvas->canvas->foreground);
+ clr = cdColorToGdk(ctxcanvas->canvas->foreground);
gdk_gc_set_rgb_fg_color(ctxcanvas->gc, &clr);
+ if (ctxcanvas->canvas->clip_mode != CD_CLIPOFF)
+ cdclip(ctxcanvas, ctxcanvas->canvas->clip_mode);
+
cdgdkCheckSolidStyle(ctxcanvas, 0);
}
@@ -1188,10 +741,7 @@ static void cdsector(cdCtxCanvas *ctxcanvas, int xc, int yc, int w, int h, doubl
if (ctxcanvas->canvas->new_region)
{
- sPrepareRegion(ctxcanvas);
- /* "filled parameter = TRUE" produces an 'pie slice' */
- gdk_draw_arc(ctxcanvas->region_aux, ctxcanvas->region_aux_gc, TRUE, xc-w/2, yc-h/2, w, h, cdRound(a1*64), cdRound((a2 - a1)*64));
- sCombineRegion(ctxcanvas);
+ cdsectorSIM(ctxcanvas, xc, yc, w, h, a1, a2);
}
else
{
@@ -1200,20 +750,6 @@ static void cdsector(cdCtxCanvas *ctxcanvas, int xc, int yc, int w, int h, doubl
}
}
-static void cdchord(cdCtxCanvas *ctxcanvas, int xc, int yc, int w, int h, double a1, double a2)
-{
- if (ctxcanvas->canvas->new_region)
- {
- sPrepareRegion(ctxcanvas);
- cdchordSIM(ctxcanvas, xc, yc, w, h, a1, a2);
- sCombineRegion(ctxcanvas);
- }
- else
- {
- cdchordSIM(ctxcanvas, xc, yc, w, h, a1, a2);
- }
-}
-
static void cdrect(cdCtxCanvas *ctxcanvas, int xmin, int xmax, int ymin, int ymax)
{
if (ctxcanvas->canvas->use_matrix)
@@ -1237,12 +773,20 @@ static void cdbox(cdCtxCanvas *ctxcanvas, int xmin, int xmax, int ymin, int ymax
if (ctxcanvas->canvas->new_region)
{
- sPrepareRegion(ctxcanvas);
- gdk_draw_rectangle(ctxcanvas->wnd, ctxcanvas->gc, TRUE, xmin, ymin, xmax-xmin+1, ymax-ymin+1);
- sCombineRegion(ctxcanvas);
+ GdkRegion *rgn;
+ GdkRectangle rect;
+
+ rect.x = xmin; rect.width = xmax-xmin;
+ rect.y = ymin; rect.height = ymax-ymin;
+ rgn = gdk_region_rectangle(&rect);
+
+ sCombineRegion(ctxcanvas, rgn);
+ gdk_region_destroy(rgn);
}
else
+ {
gdk_draw_rectangle(ctxcanvas->wnd, ctxcanvas->gc, TRUE, xmin, ymin, xmax-xmin+1, ymax-ymin+1);
+ }
}
static void cdtext(cdCtxCanvas *ctxcanvas, int x, int y, const char *s, int len)
@@ -1345,9 +889,15 @@ static void cdtext(cdCtxCanvas *ctxcanvas, int x, int y, const char *s, int len)
if (ctxcanvas->canvas->new_region)
{
- sPrepareRegion(ctxcanvas);
- gdk_draw_layout((GdkDrawable*)ctxcanvas->region_aux, (GdkGC*)ctxcanvas->region_aux_gc, x, y, ctxcanvas->fontlayout);
- sCombineRegion(ctxcanvas);
+ GdkRegion *rgn;
+ gint *idx;
+ gint range;
+
+ pango_layout_line_get_x_ranges(pango_layout_get_line(ctxcanvas->fontlayout, 0), 0, len, &idx, &range);
+ rgn = gdk_pango_layout_get_clip_region(ctxcanvas->fontlayout, x, y, idx, range);
+ gdk_draw_layout(ctxcanvas->wnd, ctxcanvas->gc, x, y, ctxcanvas->fontlayout);
+
+ sCombineRegion(ctxcanvas, rgn);
}
else
{
@@ -1371,28 +921,16 @@ static void cdgettextsize(cdCtxCanvas *ctxcanvas, const char *s, int len, int *w
pango_layout_get_pixel_size(ctxcanvas->fontlayout, width, height);
}
-void cdgdkPoly(cdCtxCanvas *ctxcanvas, int mode, cdPoint* poly, int n)
+static void cdpoly(cdCtxCanvas *ctxcanvas, int mode, cdPoint* poly, int n)
{
int i;
- GdkPoint* pnt;
-
- pnt = g_new (GdkPoint, n);
-
- if(!pnt)
- return;
if (mode != CD_BEZIER)
{
for (i = 0; i < n; i++)
{
- int x = poly[i].x,
- y = poly[i].y;
-
if (ctxcanvas->canvas->use_matrix)
- cdMatrixTransformPoint(ctxcanvas->xmatrix, x, y, &x, &y);
-
- pnt[i].x = (short)x;
- pnt[i].y = (short)y;
+ cdMatrixTransformPoint(ctxcanvas->xmatrix, poly[i].x, poly[i].y, &(poly[i].x), &(poly[i].y));
}
}
@@ -1401,520 +939,162 @@ void cdgdkPoly(cdCtxCanvas *ctxcanvas, int mode, cdPoint* poly, int n)
case CD_FILL:
if (ctxcanvas->canvas->new_region)
{
- sPrepareRegion(ctxcanvas);
- gdk_region_polygon(pnt, n, ctxcanvas->canvas->fill_mode == CD_EVENODD ? GDK_EVEN_ODD_RULE : GDK_WINDING_RULE);
- gdk_draw_polygon(ctxcanvas->region_aux, ctxcanvas->region_aux_gc, TRUE, pnt, n);
- sCombineRegion(ctxcanvas);
+ GdkRegion* rgn = gdk_region_polygon((GdkPoint*)poly, n, ctxcanvas->canvas->fill_mode == CD_EVENODD ? GDK_EVEN_ODD_RULE : GDK_WINDING_RULE);
+ sCombineRegion(ctxcanvas, rgn);
}
else
- {
- gdk_region_polygon(pnt, n, ctxcanvas->canvas->fill_mode == CD_EVENODD ? GDK_EVEN_ODD_RULE : GDK_WINDING_RULE);
- gdk_draw_polygon(ctxcanvas->wnd, ctxcanvas->gc, TRUE, pnt, n);
- }
+ gdk_draw_polygon(ctxcanvas->wnd, ctxcanvas->gc, TRUE, (GdkPoint*)poly, n);
break;
case CD_CLOSED_LINES:
cdgdkCheckSolidStyle(ctxcanvas, 1);
- gdk_draw_polygon(ctxcanvas->wnd, ctxcanvas->gc, FALSE, pnt, n);
+ gdk_draw_polygon(ctxcanvas->wnd, ctxcanvas->gc, FALSE, (GdkPoint*)poly, n);
cdgdkCheckSolidStyle(ctxcanvas, 0);
break;
case CD_OPEN_LINES:
cdgdkCheckSolidStyle(ctxcanvas, 1);
- gdk_draw_lines(ctxcanvas->wnd, ctxcanvas->gc, pnt, n);
+ gdk_draw_lines(ctxcanvas->wnd, ctxcanvas->gc, (GdkPoint*)poly, n);
cdgdkCheckSolidStyle(ctxcanvas, 0);
break;
case CD_CLIP:
- if (ctxcanvas->clip_polygon)
- g_object_unref(ctxcanvas->clip_polygon);
-
- ctxcanvas->clip_polygon = build_clip_polygon(ctxcanvas, pnt, n);
-
+ ctxcanvas->clip_rgn = gdk_region_polygon((GdkPoint*)poly, n, ctxcanvas->canvas->fill_mode == CD_EVENODD ? GDK_EVEN_ODD_RULE : GDK_WINDING_RULE);
if (ctxcanvas->canvas->clip_mode == CD_CLIPPOLYGON)
- cdgdkClip(ctxcanvas, CD_CLIPPOLYGON);
-
+ cdclip(ctxcanvas, CD_CLIPPOLYGON);
break;
case CD_BEZIER:
cdSimPolyBezier(ctxcanvas->canvas, poly, n);
break;
}
-
- g_free(pnt);
}
/******************************************************/
-static void cdgetimagergb(cdCtxCanvas *ctxcanvas, unsigned char *r, unsigned char *g, unsigned char *b, int x, int y, int w, int h)
+static void cdgdkGetPixbufData(GdkPixbuf* pixbuf, unsigned char *r, unsigned char *g, unsigned char *b)
{
- int col, lin, pos;
- GdkImage* xi = gdk_drawable_get_image(ctxcanvas->wnd, x, y-h+1, w, h);
- if (!xi)
- {
- fprintf(stderr, "CanvasDraw: error getting image\n");
- return;
- }
-
- for (lin = 0; lin < h; lin++)
- {
- for (col = 0; col < w; col++)
- {
- pos = (h-lin-1) * w + col;
- cdgdkGetRGB(ctxcanvas, gdk_image_get_pixel(xi, col, lin), r+pos, g+pos, b+pos);
- }
- }
+ int w, h, y, x, bpp;
+ guchar *pixdata, *pixline_data;
+ int rowstride, channels;
- g_object_unref(xi);
-}
+ w = gdk_pixbuf_get_width(pixbuf);
+ h = gdk_pixbuf_get_height(pixbuf);
+ bpp = gdk_pixbuf_get_bits_per_sample(pixbuf)*gdk_pixbuf_get_n_channels(pixbuf);
-static long int* get_data_buffer(cdCtxCanvas *ctxcanvas, int size)
-{
- if (!ctxcanvas->xidata)
- {
- ctxcanvas->xisize = size;
- ctxcanvas->xidata = (long int *)malloc(ctxcanvas->xisize);
- }
- else if (ctxcanvas->xisize < size)
- {
- ctxcanvas->xisize = size;
- ctxcanvas->xidata = (long int *)realloc(ctxcanvas->xidata, ctxcanvas->xisize);
- }
+ if (bpp!=24 && bpp!=32)
+ return;
- if (!ctxcanvas->xidata)
- ctxcanvas->xisize = 0;
+ pixdata = gdk_pixbuf_get_pixels(pixbuf);
+ rowstride = gdk_pixbuf_get_rowstride(pixbuf);
+ channels = gdk_pixbuf_get_n_channels(pixbuf);
- return ctxcanvas->xidata;
-}
-
-static GdkImage *map2gdkImage(cdCtxCanvas *ctxcanvas, int ew, int eh, const unsigned char *index, const long int * colors, int by, int bx, int bw, int bh, int iw)
-{
- GdkColor** match_table = NULL;
- int i, j, pal_size;
- unsigned long xcol;
- GdkImage *xim;
- int *fx, *fy, src, dst;
- unsigned char idx;
- GdkColor tmpClr;
-
- xim = (GdkImage*) NULL;
-
- /* The size of the palette is unknown, a priori...
- So, it is necessary to find the highest index used in image */
- pal_size = 0;
-
- for (i = 0; i < bh; i++)
+ /* planes are separated in imgdata */
+ for (y=0; y<h; y++)
{
- for (j = 0; j < bw; j++)
+ int lineoffset = (h-1 - y)*w; /* imgdata is bottom up */
+ pixline_data = pixdata + y * rowstride;
+ for(x=0;x<w;x++)
{
- src = (i+by)*iw + j+bx;
- idx = index[src];
- if (idx > pal_size)
- pal_size = idx;
+ int pos = x*channels;
+ r[lineoffset+x] = pixline_data[pos];
+ g[lineoffset+x] = pixline_data[pos+1];
+ b[lineoffset+x] = pixline_data[pos+2];
}
}
-
- pal_size++;
-
- for (i = 0; i < pal_size; i++)
- {
- tmpClr = cdgdkGetPixel(ctxcanvas, colors[i]);
- match_table[i] = &tmpClr;
- }
-
- fx = cdGetZoomTable(ew, bw, bx);
- fy = cdGetZoomTable(eh, bh, by);
-
- switch (ctxcanvas->depth)
- {
- case 8:
- {
- unsigned char *imagedata, *ip;
- int imew, nullCount;
-
- nullCount = (4 - (ew % 4)) & 0x03; /* # of padding bytes per line */
- imew = ew + nullCount;
-
- /* Now get the image data - pad each scan line as necessary */
- imagedata = (unsigned char*)get_data_buffer(ctxcanvas, eh * imew);
- if (!imagedata)
- {
- fprintf(stderr, "CanvasDraw: not enough memory putting image\n");
- return NULL;
- }
-
- for (i = 0; i < eh; i++)
- {
- ip = imagedata + (eh-1-i)*imew;
-
- for (j = 0; j < ew; j++, ip++)
- {
- src = (fy[i])*iw + fx[j];
- ip = (unsigned char*) match_table[index[src]]->pixel;
- }
- }
-
- xim = gdk_image_new(GDK_IMAGE_FASTEST, ctxcanvas->vis, ew, eh);
-
- if (!xim)
- {
- fprintf(stderr, "CanvasDraw: not enough memory putting image\n");
- return NULL;
- }
-
- if(xim)
- {
- xim->depth = (short)ctxcanvas->depth;
- xim->bpp = 32;
- xim->bpl = (short)imew;
- }
- }
- break;
-
- case 12:
- case 15:
- case 16:
- {
- unsigned char *imagedata;
- unsigned short *ip, *tip;
-
- /* Now get the image data - pad each scan line as necessary */
- imagedata = (unsigned char*)get_data_buffer(ctxcanvas, 2*ew*eh);
- if (!imagedata)
- {
- fprintf(stderr, "CanvasDraw: not enough memory putting image\n");
- return NULL;
- }
-
- xim = gdk_image_new(GDK_IMAGE_FASTEST, ctxcanvas->vis, ew, eh);
-
- if (!xim)
- {
- fprintf(stderr, "CanvasDraw: not enough memory putting image\n");
- return NULL;
- }
-
- if(xim)
- {
- xim->depth = (short)ctxcanvas->depth;
- xim->bpp = 16;
- xim->bpl = 0;
- }
-
- if (ctxcanvas->depth == 12 && xim->bits_per_pixel != 16)
- {
- g_object_unref(xim);
- fprintf(stderr,"No code for this type of display (depth=%d, bperpix=%d)", ctxcanvas->depth, xim->bits_per_pixel);
- return NULL;
- }
-
- ip = (unsigned short*)(imagedata + (eh-1)*xim->bpl);
-
- for (i = 0; i < eh; i++)
- {
- for (j = 0, tip = ip; j < ew; j++)
- {
- src = (fy[i])*iw + fx[j];
- xcol = match_table[index[src]]->pixel;
-
- if (xim->byte_order == GDK_MSB_FIRST)
- {
- *tip++ = (unsigned short)(xcol & 0xffff);
- }
- else
- {
- /* WAS *tip++ = ((xcol>>8) & 0xff) | ((xcol&0xff) << 8); */
- *tip++ = (unsigned short)(xcol);
- }
- }
-
- ip -= ew;
- }
- }
- break;
+}
- case 24:
- case 32:
- {
- unsigned char *imagedata, *ip, *tip;
- int do32;
-
- /* Now get the image data - pad each scan line as necessary */
- imagedata = (unsigned char*)get_data_buffer(ctxcanvas, 4*ew*eh);
- if (!imagedata)
- {
- fprintf(stderr, "CanvasDraw: not enough memory putting image\n");
- return NULL;
- }
+static GdkPixbuf* cdgdkCreatePixbufRGBA(int width, int height, const unsigned char *r, const unsigned char *g, const unsigned char *b, const unsigned char *a, int ix, int iy, int image_width)
+{
+ GdkPixbuf* pixbuf;
+ guchar *pixdata, *pixline_data;
+ int rowstride, channels;
+ int x, y;
- xim = gdk_image_new(GDK_IMAGE_FASTEST, ctxcanvas->vis, ew, eh);
+ pixbuf = gdk_pixbuf_new(GDK_COLORSPACE_RGB, a?TRUE:FALSE, 8, width, height);
+ if (!pixbuf)
+ return NULL;
- if (!xim)
- {
- fprintf(stderr, "CanvasDraw: not enough memory putting image\n");
- return NULL;
- }
+ pixdata = gdk_pixbuf_get_pixels(pixbuf);
+ rowstride = gdk_pixbuf_get_rowstride(pixbuf);
+ channels = gdk_pixbuf_get_n_channels(pixbuf);
- if(xim)
- {
- xim->depth = (short)ctxcanvas->depth;
- xim->bpp = 32;
- xim->bpl = 0;
- }
-
- do32 = (xim->bits_per_pixel == 32 ? 1 : 0);
-
- ip = imagedata + (eh-1)*xim->bpl;
+ /* GdkPixbuf is top-bottom */
+ /* imgdata is bottom up */
- for (i = 0; i < eh; i++)
- {
- for (j = 0, tip = ip; j < ew; j++)
- {
- src = (fy[i])*iw + fx[j];
- xcol = match_table[index[src]]->pixel;
-
- if (xim->byte_order == GDK_MSB_FIRST)
- {
- if (do32) *tip++ = 0;
- *tip++ = (unsigned char)((xcol>>16) & 0xff);
- *tip++ = (unsigned char)((xcol>>8) & 0xff);
- *tip++ = (unsigned char)( xcol & 0xff);
- }
- else
- { /* GDK_LSB_FIRST */
- *tip++ = (unsigned char)( xcol & 0xff);
- *tip++ = (unsigned char)((xcol>>8) & 0xff);
- *tip++ = (unsigned char)((xcol>>16) & 0xff);
- if (do32) *tip++ = 0;
- }
- }
-
- ip -= xim->bpl;
- }
- }
- break;
- default:
+ /* planes are separated in imgdata */
+ for (y=0; y<height; y++)
+ {
+ int lineoffset = (height-1 - y + iy)*image_width; /* imgdata is bottom up */
+ pixline_data = pixdata + y * rowstride;
+ for(x=0;x<width;x++)
{
- /* Now get the image data - pad each scan line as necessary */
- unsigned long* imagedata = (unsigned long*)get_data_buffer(ctxcanvas, 4*ew*eh);
- if (!imagedata)
- {
- fprintf(stderr, "CanvasDraw: not enough memory putting image\n");
- return NULL;
- }
-
- xim = gdk_image_new(GDK_IMAGE_FASTEST, ctxcanvas->vis, ew, eh);
-
- if (!xim)
- {
- fprintf(stderr, "CanvasDraw: not enough memory putting image\n");
- return NULL;
- }
+ int pos = x*channels;
+ pixline_data[pos] = r[lineoffset+x+ix];
+ pixline_data[pos+1] = g[lineoffset+x+ix];
+ pixline_data[pos+2] = b[lineoffset+x+ix];
- if(xim)
- {
- xim->depth = (short)ctxcanvas->depth;
- xim->bpp = 32;
- xim->bpl = (short)ew*4;
- }
-
- xim->bits_per_pixel = 32;
- xim->bpl = 4 * (short)iw;
- xim->byte_order = GDK_MSB_FIRST;
-
- for (i = 0; i < eh; i++)
- {
- for (j = 0; j < ew; j++)
- {
- src = (fy[i])*iw + fx[j];
- dst = (eh-1 - i)*ew + j;
- imagedata[dst] = match_table[index[src]]->pixel;
- }
- }
+ if (a)
+ pixline_data[pos+3] = a[lineoffset+x+ix];
}
- break;
}
-
- free(fx);
- free(fy);
- return(xim);
+ return pixbuf;
}
-static GdkImage *rgb2gdkImage(cdCtxCanvas *ctxcanvas, int ew, int eh,
- const unsigned char *red, const unsigned char *green, const unsigned char *blue,
- const unsigned char *alpha, GdkImage *oxi,
- int by, int bx, int bw, int bh, int iw)
+static GdkPixbuf* cdgdkCreatePixbufMap(int width, int height, const long* colors, const unsigned char *map, int ix, int iy, int image_width)
{
-/* if we're displaying on a TrueColor or DirectColor display, we've got all the colors we're going to need,
- * and 'all we have to do' is convert 24-bit RGB pixels into whatever variation of RGB the X device in
- * question wants. No color allocation is involved.
- */
- GdkImage *xim;
- int *fx, *fy;
- int i, j, maplen, src;
- int rshift, gshift, bshift, bperpix, bperline, byte_order, cshift;
- unsigned long r, g, b, rmask, gmask, bmask, xcol;
- unsigned char *lip, *ip, *imagedata, or, ob, og, al;
-
- /* compute various shifting constants that we'll need... */
- rmask = ctxcanvas->vis->red_mask;
- gmask = ctxcanvas->vis->green_mask;
- bmask = ctxcanvas->vis->blue_mask;
- rshift = 7 - highbit(rmask);
- gshift = 7 - highbit(gmask);
- bshift = 7 - highbit(bmask);
-
- maplen = ctxcanvas->vis->colormap_size;
-
- if (maplen > 256)
- maplen = 256;
-
- cshift = 7 - highbit((unsigned long) (maplen-1));
-
- xim = gdk_image_new(GDK_IMAGE_FASTEST, ctxcanvas->vis, ew, eh);
-
- if (!xim)
- {
- fprintf(stderr, "CanvasDraw: not enough memory putting image\n");
- return NULL;
- }
-
- bperline = xim->bpl;
- bperpix = xim->bits_per_pixel;
- byte_order = xim->byte_order;
+ GdkPixbuf* pixbuf;
+ guchar *pixdata, *pixline_data;
+ int rowstride, channels;
+ const unsigned char *line_data;
+ int x, y;
- if (bperpix != 8 && bperpix != 16 && bperpix != 24 && bperpix != 32)
- {
- g_object_unref(xim);
- fprintf(stderr, "CanvasDraw: bpp=%d not supported!\n", bperpix);
- return NULL;
- }
-
- imagedata = (unsigned char*)get_data_buffer(ctxcanvas, eh * bperline);
- if (!imagedata)
- {
- g_object_unref(xim);
- fprintf(stderr, "CanvasDraw: not enough memory putting image\n");
+ pixbuf = gdk_pixbuf_new(GDK_COLORSPACE_RGB, FALSE, 8, width, height);
+ if (!pixbuf)
return NULL;
- }
- fx = cdGetZoomTable(ew, bw, bx);
- fy = cdGetZoomTable(eh, bh, by);
+ pixdata = gdk_pixbuf_get_pixels(pixbuf);
+ rowstride = gdk_pixbuf_get_rowstride(pixbuf);
+ channels = gdk_pixbuf_get_n_channels(pixbuf);
- lip = imagedata + (eh - 1) * bperline;
+ /* GdkPixbuf is top-bottom */
+ /* map is bottom up */
- for (i = 0; i < eh; i++, lip -= bperline)
+ for (y=0; y<height; y++)
{
- for (j = 0, ip = lip; j < ew; j++)
- {
- src = fy[i]*iw + fx[j];
+ pixline_data = pixdata + y * rowstride;
+ line_data = map + (height-1 - y + iy) * image_width; /* map is bottom up */
- if (alpha)
- {
- cdgdkGetRGB(ctxcanvas, gdk_image_get_pixel(oxi, j, eh-i-1), &or, &og, &ob);
- al = alpha[src];
- r = CD_ALPHA_BLEND(red[src], or, al);
- g = CD_ALPHA_BLEND(green[src], og, al);
- b = CD_ALPHA_BLEND(blue[src], ob, al);
- }
- else
- {
- r = red[src];
- g = green[src];
- b = blue[src];
- }
-
- /* shift r, g, b so that high bit of 8-bit color specification is aligned with
- * high bit of r, g, b-mask in visual, AND each component with its mask, and
- * OR the three components together */
- if(gdk_visual_get_best_type() == GDK_VISUAL_DIRECT_COLOR)
- {
- r = (unsigned long) cdgdkDirectColorTable[(r>>cshift) & 0xff] << cshift;
- g = (unsigned long) cdgdkDirectColorTable[(g>>cshift) & 0xff] << cshift;
- b = (unsigned long) cdgdkDirectColorTable[(b>>cshift) & 0xff] << cshift;
- }
-
- /* shift the bits around */
- if (rshift < 0)
- r = r << (-rshift);
- else
- r = r >> rshift;
-
- if (gshift < 0)
- g = g << (-gshift);
- else
- g = g >> gshift;
-
- if (bshift < 0)
- b = b << (-bshift);
- else
- b = b >> bshift;
-
- r = r & rmask;
- g = g & gmask;
- b = b & bmask;
-
- xcol = r | g | b;
-
- if (bperpix == 32)
- {
- if (byte_order == GDK_MSB_FIRST)
- {
- *ip++ = (unsigned char)((xcol>>24) & 0xff);
- *ip++ = (unsigned char)((xcol>>16) & 0xff);
- *ip++ = (unsigned char)((xcol>>8) & 0xff);
- *ip++ = (unsigned char)( xcol & 0xff);
- }
- else
- { /* GDK_LSB_FIRST */
- *ip++ = (unsigned char)( xcol & 0xff);
- *ip++ = (unsigned char)((xcol>>8) & 0xff);
- *ip++ = (unsigned char)((xcol>>16) & 0xff);
- *ip++ = (unsigned char)((xcol>>24) & 0xff);
- }
- }
- else if (bperpix == 24)
- {
- if (byte_order == GDK_MSB_FIRST)
- {
- *ip++ = (unsigned char)((xcol>>16) & 0xff);
- *ip++ = (unsigned char)((xcol>>8) & 0xff);
- *ip++ = (unsigned char)( xcol & 0xff);
- }
- else
- { /* GDK_LSB_FIRST */
- *ip++ = (unsigned char)( xcol & 0xff);
- *ip++ = (unsigned char)((xcol>>8) & 0xff);
- *ip++ = (unsigned char)((xcol>>16) & 0xff);
- }
- }
- else if (bperpix == 16)
- {
- if (byte_order == GDK_MSB_FIRST)
- {
- *ip++ = (unsigned char)((xcol>>8) & 0xff);
- *ip++ = (unsigned char)( xcol & 0xff);
- }
- else { /* GDK_LSB_FIRST */
- *ip++ = (unsigned char)( xcol & 0xff);
- *ip++ = (unsigned char)((xcol>>8) & 0xff);
- }
- }
- else if (bperpix == 8)
- {
- *ip++ = (unsigned char)(xcol & 0xff);
- }
+ for (x=0; x<width; x++)
+ {
+ unsigned char index = line_data[x+ix];
+ long c = colors[index];
+ guchar *r = &pixline_data[channels*x],
+ *g = r+1,
+ *b = g+1;
+
+ *r = cdRed(c);
+ *g = cdGreen(c);
+ *b = cdBlue(c);
}
}
- /* Copy imagedata to GdkImage */
- memcpy (xim->mem, imagedata, eh * bperline);
+ return pixbuf;
+}
- free(fx);
- free(fy);
+static void cdgetimagergb(cdCtxCanvas *ctxcanvas, unsigned char *r, unsigned char *g, unsigned char *b, int x, int y, int w, int h)
+{
+ GdkPixbuf* pixbuf = gdk_pixbuf_get_from_drawable(NULL, ctxcanvas->wnd, ctxcanvas->colormap,
+ x, y-h+1,
+ 0, 0, w, h);
+ if (!pixbuf)
+ {
+ fprintf(stderr, "CanvasDraw: error getting image\n");
+ return;
+ }
- return xim;
+ cdgdkGetPixbufData(pixbuf, r, g, b);
}
static void cdputimagerectrgba_matrix(cdCtxCanvas* ctxcanvas, int iw, int ih, const unsigned char *r, const unsigned char *g, const unsigned char *b, const unsigned char *a, int x, int y, int w, int h, int xmin, int xmax, int ymin, int ymax)
@@ -1970,9 +1150,9 @@ static void cdputimagerectrgba_matrix(cdCtxCanvas* ctxcanvas, int iw, int ih, co
{
int ex = t_xmin,
- ey = t_ymin + eh-1; /* gdkImage origin is at top-left */
- GdkImage *xi, *oxi = NULL;
- GdkPixmap *clip_polygon, *clip_mask = NULL;
+ ey = t_ymin + eh-1; /* GdkPixbuf origin is at top-left */
+ GdkPixbuf *pixbuf;
+ GdkRegion *clip_polygon;
GdkPoint* pnt = g_malloc(64);
/* Since the transformation used was the original transformation, */
@@ -1984,50 +1164,25 @@ static void cdputimagerectrgba_matrix(cdCtxCanvas* ctxcanvas, int iw, int ih, co
pnt[1].x = (short)rect[2]; pnt[1].y = (short)_cdInvertYAxis(ctxcanvas->canvas, rect[3]);
pnt[2].x = (short)rect[4]; pnt[2].y = (short)_cdInvertYAxis(ctxcanvas->canvas, rect[5]);
pnt[3].x = (short)rect[6]; pnt[3].y = (short)_cdInvertYAxis(ctxcanvas->canvas, rect[7]);
- clip_polygon = build_clip_polygon(ctxcanvas, pnt, 4);
+ clip_polygon = gdk_region_polygon(pnt, 4, ctxcanvas->canvas->fill_mode == CD_EVENODD ? GDK_EVEN_ODD_RULE : GDK_WINDING_RULE);
/* combine with the existing clipping */
- if (ctxcanvas->canvas->clip_mode == CD_CLIPAREA || ctxcanvas->canvas->clip_mode == CD_CLIPPOLYGON)
- clip_mask = ctxcanvas->clip_polygon;
- else if (ctxcanvas->canvas->clip_mode == CD_CLIPREGION)
- clip_mask = ctxcanvas->new_region;
-
gdk_gc_set_function(ctxcanvas->gc, GDK_AND);
-
- gdk_draw_drawable((GdkDrawable*)clip_polygon, ctxcanvas->gc,
- (GdkDrawable*)clip_mask, 0, 0, 0, 0,
- ctxcanvas->canvas->w, ctxcanvas->canvas->h);
-
- gdk_gc_set_clip_mask(ctxcanvas->gc, (GdkBitmap*)clip_polygon);
+ gdk_gc_set_clip_region(ctxcanvas->gc, clip_polygon);
cdwritemode(ctxcanvas, ctxcanvas->canvas->write_mode); /* reset gdk_gc_set_function */
- if (a)
- {
- oxi = gdk_drawable_get_image(ctxcanvas->wnd, ex, ey, ew, eh);
-
- if (!oxi)
- {
- fprintf(stderr, "CanvasDraw: error getting image\n");
- free(dst_r);
- return;
- }
- }
-
- xi = rgb2gdkImage(ctxcanvas, ew, eh, dst_r, dst_g, dst_b, dst_a, oxi, 0, 0, ew, eh, ew);
- if (!xi)
+ pixbuf = cdgdkCreatePixbufRGBA(ew, eh, dst_r, dst_g, dst_b, dst_a, 0, 0, ew);
+ if (!pixbuf)
return;
- gdk_draw_image(ctxcanvas->wnd, ctxcanvas->gc, xi, 0, 0, ex, ey, ew, eh);
+ gdk_draw_pixbuf(ctxcanvas->wnd, ctxcanvas->gc, pixbuf, 0, 0, ex, ey, ew, eh, ctxcanvas->img_dither, 0, 0);
/* reset clipping */
- g_object_unref(clip_polygon);
- cdgdkClip(ctxcanvas, ctxcanvas->canvas->clip_mode);
-
- g_object_unref(xi);
- if (oxi)
- g_object_unref(oxi);
+ gdk_region_destroy(clip_polygon);
+ cdclip(ctxcanvas, ctxcanvas->canvas->clip_mode);
+ g_object_unref(pixbuf);
g_free(pnt);
}
@@ -2079,10 +1234,10 @@ static void cdputimagerectmap_matrix(cdCtxCanvas* ctxcanvas, int iw, int ih, con
{
int ex = t_xmin,
- ey = t_ymin + eh-1; /* GdkImage* origin is at top-left */
+ ey = t_ymin + eh-1; /* GdkPixbuf* origin is at top-left */
- GdkImage *xi;
- GdkPixmap *clip_polygon, *clip_mask = NULL;
+ GdkPixbuf *pixbuf;
+ GdkRegion *clip_polygon;
GdkPoint pnt[4];
/* Since the transformation used was the original transformation, */
@@ -2094,35 +1249,25 @@ static void cdputimagerectmap_matrix(cdCtxCanvas* ctxcanvas, int iw, int ih, con
pnt[1].x = (short)rect[2]; pnt[1].y = (short)_cdInvertYAxis(ctxcanvas->canvas, rect[3]);
pnt[2].x = (short)rect[4]; pnt[2].y = (short)_cdInvertYAxis(ctxcanvas->canvas, rect[5]);
pnt[3].x = (short)rect[6]; pnt[3].y = (short)_cdInvertYAxis(ctxcanvas->canvas, rect[7]);
- clip_polygon = build_clip_polygon(ctxcanvas, pnt, 4);
+ clip_polygon = gdk_region_polygon(pnt, 4, ctxcanvas->canvas->fill_mode == CD_EVENODD ? GDK_EVEN_ODD_RULE : GDK_WINDING_RULE);
/* combine with the existing clipping */
- if (ctxcanvas->canvas->clip_mode == CD_CLIPAREA || ctxcanvas->canvas->clip_mode == CD_CLIPPOLYGON)
- clip_mask = ctxcanvas->clip_polygon;
- else if (ctxcanvas->canvas->clip_mode == CD_CLIPREGION)
- clip_mask = ctxcanvas->new_region;
-
gdk_gc_set_function(ctxcanvas->gc, GDK_AND);
-
- gdk_draw_drawable((GdkDrawable*)clip_polygon, ctxcanvas->gc,
- (GdkDrawable*)clip_mask, 0, 0, 0, 0,
- ctxcanvas->canvas->w, ctxcanvas->canvas->h);
-
- gdk_gc_set_clip_mask(ctxcanvas->gc, (GdkBitmap*)clip_polygon);
+ gdk_gc_set_clip_region(ctxcanvas->gc, clip_polygon);
cdwritemode(ctxcanvas, ctxcanvas->canvas->write_mode); /* reset gdk_gc_set_function */
- xi = map2gdkImage(ctxcanvas, ew, eh, dst_index, colors, 0, 0, ew, eh, ew);
- if (!xi)
+ pixbuf = cdgdkCreatePixbufMap(ew, eh, colors, dst_index, 0, 0, ew);
+ if (!pixbuf)
return;
- gdk_draw_image(ctxcanvas->wnd, ctxcanvas->gc, xi, 0, 0, ex, ey, ew, eh);
+ gdk_draw_pixbuf(ctxcanvas->wnd, ctxcanvas->gc, pixbuf, 0, 0, ex, ey, ew, eh, ctxcanvas->img_dither, 0, 0);
/* reset clipping */
- g_object_unref(clip_polygon);
- cdgdkClip(ctxcanvas, ctxcanvas->canvas->clip_mode);
+ gdk_region_destroy(clip_polygon);
+ cdclip(ctxcanvas, ctxcanvas->canvas->clip_mode);
- g_object_unref(xi);
+ g_object_unref(pixbuf);
}
free(dst_index);
@@ -2133,7 +1278,7 @@ static void cdputimagerectrgb(cdCtxCanvas *ctxcanvas, int iw, int ih, const unsi
int ew = w, eh = h, ex = x, ey = y;
int bw = iw, bh = ih, bx = 0, by = 0;
int rw, rh;
- GdkImage* xi;
+ GdkPixbuf* pixbuf;
if (ctxcanvas->canvas->use_matrix)
{
@@ -2143,7 +1288,7 @@ static void cdputimagerectrgb(cdCtxCanvas *ctxcanvas, int iw, int ih, const unsi
rw = xmax-xmin+1;
rh = ymax-ymin+1;
- y -= (h - 1); /* gdkImage origin is at top-left */
+ y -= (h - 1); /* GdkPixbuf origin is at top-left */
if (!cdCalcZoom(ctxcanvas->canvas->w, x, w, &ex, &ew, xmin, rw, &bx, &bw, 1))
return;
@@ -2151,18 +1296,20 @@ static void cdputimagerectrgb(cdCtxCanvas *ctxcanvas, int iw, int ih, const unsi
if (!cdCalcZoom(ctxcanvas->canvas->h, y, h, &ey, &eh, ymin, rh, &by, &bh, 0))
return;
- xi = rgb2gdkImage(ctxcanvas, ew, eh, r, g, b, NULL, NULL, by, bx, bw, bh, iw);
- if (!xi)
+ pixbuf = cdgdkCreatePixbufRGBA(bw, bh, r, g, b, NULL, bx, by, iw);
+ if (!pixbuf)
return;
- gdk_draw_image(ctxcanvas->wnd, ctxcanvas->gc, xi, 0, 0, ex, ey, ew, eh);
+// GdkPixbuf *pixbuf_scaled = gdk_pixbuf_scale_simple(pixbuf, ew, eh, GDK_INTERP_NEAREST);
+
+ gdk_draw_pixbuf(ctxcanvas->wnd, ctxcanvas->gc, pixbuf, 0, 0, ex, ey, -1, -1, ctxcanvas->img_dither, 0, 0);
- g_object_unref(xi);
+ g_object_unref(pixbuf);
}
static void cdputimagerectrgba(cdCtxCanvas *ctxcanvas, int iw, int ih, const unsigned char *r, const unsigned char *g, const unsigned char *b, const unsigned char *a, int x, int y, int w, int h, int xmin, int xmax, int ymin, int ymax)
{
- GdkImage *xi, *oxi;
+ GdkPixbuf *pixbuf;
int ew = w, eh = h, ex = x, ey = y;
int bw = iw, bh = ih, bx = 0, by = 0;
int rw, rh;
@@ -2175,7 +1322,7 @@ static void cdputimagerectrgba(cdCtxCanvas *ctxcanvas, int iw, int ih, const uns
rw = xmax-xmin+1;
rh = ymax-ymin+1;
- y -= (h - 1); /* gdkImage origin is at top-left */
+ y -= (h - 1); /* GdkPixbuf origin is at top-left */
if (!cdCalcZoom(ctxcanvas->canvas->w, x, w, &ex, &ew, xmin, rw, &bx, &bw, 1))
return;
@@ -2183,22 +1330,13 @@ static void cdputimagerectrgba(cdCtxCanvas *ctxcanvas, int iw, int ih, const uns
if (!cdCalcZoom(ctxcanvas->canvas->h, y, h, &ey, &eh, ymin, rh, &by, &bh, 0))
return;
- oxi = gdk_drawable_get_image(ctxcanvas->wnd, ex, ey, ew, eh);
-
- if (!oxi)
- {
- fprintf(stderr, "CanvasDraw: error getting image\n");
- return;
- }
-
- xi = rgb2gdkImage(ctxcanvas, ew, eh, r, g, b, a, oxi, by, bx, bw, bh, iw);
- if (!xi)
+ pixbuf = cdgdkCreatePixbufRGBA(bw, bh, r, g, b, a, bx, by, iw);
+ if (!pixbuf)
return;
- gdk_draw_image(ctxcanvas->wnd, ctxcanvas->gc, xi, 0, 0, ex, ey, ew, eh);
+ gdk_draw_pixbuf(ctxcanvas->wnd, ctxcanvas->gc, pixbuf, 0, 0, ex, ey, ew, eh, ctxcanvas->img_dither, 0, 0);
- g_object_unref(xi);
- g_object_unref(oxi);
+ g_object_unref(pixbuf);
}
static void cdputimagerectmap(cdCtxCanvas *ctxcanvas, int iw, int ih, const unsigned char *index, const long int *colors, int x, int y, int w, int h, int xmin, int xmax, int ymin, int ymax)
@@ -2206,7 +1344,7 @@ static void cdputimagerectmap(cdCtxCanvas *ctxcanvas, int iw, int ih, const unsi
int ew = w, eh = h, ex = x, ey = y;
int bw = iw, bh = ih, bx = 0, by = 0;
int rw, rh;
- GdkImage* xi;
+ GdkPixbuf* pixbuf;
if (ctxcanvas->canvas->use_matrix)
{
@@ -2216,7 +1354,7 @@ static void cdputimagerectmap(cdCtxCanvas *ctxcanvas, int iw, int ih, const unsi
rw = xmax-xmin+1;
rh = ymax-ymin+1;
- y -= (h - 1); /* gdkImage origin is at top-left */
+ y -= (h - 1); /* GdkPixbuf origin is at top-left */
if (!cdCalcZoom(ctxcanvas->canvas->w, x, w, &ex, &ew, xmin, rw, &bx, &bw, 1))
return;
@@ -2224,20 +1362,20 @@ static void cdputimagerectmap(cdCtxCanvas *ctxcanvas, int iw, int ih, const unsi
if (!cdCalcZoom(ctxcanvas->canvas->h, y, h, &ey, &eh, ymin, rh, &by, &bh, 0))
return;
- xi = map2gdkImage(ctxcanvas, ew, eh, index, colors, by, bx, bw, bh, iw);
- if (!xi)
+ pixbuf = cdgdkCreatePixbufMap(bw, bh, colors, index, bx, by, iw);
+ if (!pixbuf)
return;
- gdk_draw_image(ctxcanvas->wnd, ctxcanvas->gc, xi, 0, 0, ex, ey, ew, eh);
+ gdk_draw_pixbuf(ctxcanvas->wnd, ctxcanvas->gc, pixbuf, 0, 0, ex, ey, ew, eh, ctxcanvas->img_dither, 0, 0);
- g_object_unref(xi);
+ g_object_unref(pixbuf);
}
static void cdpixel(cdCtxCanvas *ctxcanvas, int x, int y, long int color)
{
if (ctxcanvas->canvas->foreground != color)
{
- GdkColor clr = cdgdkGetPixel(ctxcanvas, color);
+ GdkColor clr = cdColorToGdk(color);
gdk_gc_set_rgb_fg_color(ctxcanvas->gc, &clr);
}
@@ -2273,7 +1411,7 @@ static cdCtxImage *cdcreateimage (cdCtxCanvas *ctxcanvas, int w, int h)
gc = gdk_gc_new(ctximage->img);
- clr = cdgdkGetPixel(ctxcanvas, CD_WHITE);
+ clr = cdColorToGdk(CD_WHITE);
gdk_gc_set_rgb_fg_color(gc, &clr);
gdk_draw_rectangle(ctximage->img, gc, TRUE, 0, 0, ctximage->w, ctxcanvas->canvas->h);
@@ -2386,6 +1524,29 @@ static cdAttribute rotate_attrib =
get_rotate_attrib
};
+static void set_imgdither_attrib(cdCtxCanvas* ctxcanvas, char* data)
+{
+ if (data && cdStrEqualNoCase(data, "NORMAL"))
+ ctxcanvas->img_dither = GDK_RGB_DITHER_NORMAL;
+ else
+ ctxcanvas->img_dither = GDK_RGB_DITHER_NONE;
+}
+
+static char* get_imgdither_attrib(cdCtxCanvas* ctxcanvas)
+{
+ if (ctxcanvas->img_dither)
+ return "NORMAL";
+ else
+ return "NONE";
+}
+
+static cdAttribute imgdither_attrib =
+{
+ "IMGDITHER",
+ set_imgdither_attrib,
+ get_imgdither_attrib
+};
+
static char* get_gc_attrib(cdCtxCanvas *ctxcanvas)
{
return (char*)ctxcanvas->gc;
@@ -2398,23 +1559,21 @@ static cdAttribute gc_attrib =
get_gc_attrib
};
-static char* get_version_attrib(cdCtxCanvas* ctxcanvas)
+static char* get_pangoversion_attrib(cdCtxCanvas* ctxcanvas)
{
(void)ctxcanvas;
return (char*)pango_version_string();
}
-static cdAttribute version_attrib =
+static cdAttribute pangoversion_attrib =
{
"PANGOVERSION",
NULL,
- get_version_attrib
+ get_pangoversion_attrib
};
cdCtxCanvas *cdgdkCreateCanvas(cdCanvas* canvas, GdkDrawable* wnd, GdkScreen* scr, GdkVisual* vis)
{
- static int first = 1;
-
cdCtxCanvas *ctxcanvas = (cdCtxCanvas *)malloc(sizeof(cdCtxCanvas));
memset(ctxcanvas, 0, sizeof(cdCtxCanvas));
@@ -2430,8 +1589,6 @@ cdCtxCanvas *cdgdkCreateCanvas(cdCanvas* canvas, GdkDrawable* wnd, GdkScreen* sc
return NULL;
}
- gdk_gc_set_colormap(ctxcanvas->gc, gdk_screen_get_default_colormap(ctxcanvas->scr));
-
ctxcanvas->fontcontext = gdk_pango_context_get();
pango_context_set_language(ctxcanvas->fontcontext, pango_language_get_default());
ctxcanvas->gdkLastConvertUTF8 = NULL;
@@ -2449,54 +1606,20 @@ cdCtxCanvas *cdgdkCreateCanvas(cdCanvas* canvas, GdkDrawable* wnd, GdkScreen* sc
canvas->h_mm = ((double)canvas->h) / canvas->yres;
canvas->invert_yaxis = 1;
- if (first)
+ if (canvas->bpp <= 8)
{
- if (canvas->bpp > 8)
+ ctxcanvas->colormap = gdk_gc_get_colormap(ctxcanvas->gc);
+ if (!ctxcanvas->colormap)
{
- cdgdkGetRGB = truecolor_get_rgb;
- cdgdkGetPixel = truecolor_get_pixel;
-
- /* make linear colormap for DirectColor visual */
- if(gdk_visual_get_best_type() == GDK_VISUAL_DIRECT_COLOR)
- makeDirectCmap(ctxcanvas, gdk_screen_get_default_colormap(ctxcanvas->scr));
- }
- else
- {
- cdgdkGetRGB = not_truecolor_get_rgb;
- cdgdkGetPixel = not_truecolor_get_pixel;
+ ctxcanvas->colormap = gdk_colormap_get_system();
+ gdk_gc_set_colormap(ctxcanvas->gc, ctxcanvas->colormap);
}
- }
-
- if (canvas->bpp > 8)
- {
- ctxcanvas->rshift = 15 - highbit(ctxcanvas->vis->red_mask);
- ctxcanvas->gshift = 15 - highbit(ctxcanvas->vis->green_mask);
- ctxcanvas->bshift = 15 - highbit(ctxcanvas->vis->blue_mask);
-
- ctxcanvas->num_colors = 0;
- ctxcanvas->colormap = NULL;
-
- /* For canvas bpp <= 8 RGBA is simulated with cdGetImageRGB */
- canvas->cxPutImageRectRGBA = cdputimagerectrgba;
- }
- else
- {
- int i;
-
- ctxcanvas->colormap = gdk_screen_get_default_colormap(scr);
- ctxcanvas->num_colors = 1L << canvas->bpp;
-
- for (i = 0; i < ctxcanvas->num_colors; i++)
- ctxcanvas->color_table[i].pixel = i;
-
- update_colors(ctxcanvas);
+ ctxcanvas->num_colors = ctxcanvas->colormap->size;
}
cdRegisterAttribute(canvas, &gc_attrib);
cdRegisterAttribute(canvas, &rotate_attrib);
- cdRegisterAttribute(canvas, &version_attrib);
-
- first = 0;
+ cdRegisterAttribute(canvas, &pangoversion_attrib);
return ctxcanvas;
}
@@ -2508,19 +1631,19 @@ void cdgdkInitTable(cdCanvas* canvas)
canvas->cxPixel = cdpixel;
canvas->cxLine = cdline;
- canvas->cxPoly = cdgdkPoly;
+ canvas->cxPoly = cdpoly;
canvas->cxRect = cdrect;
canvas->cxBox = cdbox;
canvas->cxArc = cdarc;
canvas->cxSector = cdsector;
- canvas->cxChord = cdchord;
+ canvas->cxChord = cdchordSIM;
canvas->cxText = cdtext;
canvas->cxNewRegion = cdnewregion;
canvas->cxIsPointInRegion = cdispointinregion;
canvas->cxOffsetRegion = cdoffsetregion;
canvas->cxGetRegionBox = cdgetregionbox;
- canvas->cxClip = cdgdkClip;
+ canvas->cxClip = cdclip;
canvas->cxClipArea = cdcliparea;
canvas->cxWriteMode = cdwritemode;
canvas->cxLineStyle = cdlinestyle;
@@ -2541,19 +1664,16 @@ void cdgdkInitTable(cdCanvas* canvas)
canvas->cxForeground = cdforeground;
canvas->cxTransform = cdtransform;
- canvas->cxGetImageRGB = cdgetimagergb;
canvas->cxScrollArea = cdscrollarea;
-
canvas->cxCreateImage = cdcreateimage;
canvas->cxGetImage = cdgetimage;
canvas->cxPutImageRect = cdputimagerect;
canvas->cxKillImage = cdkillimage;
+ canvas->cxGetImageRGB = cdgetimagergb;
canvas->cxPutImageRectRGB = cdputimagerectrgb;
canvas->cxPutImageRectMap = cdputimagerectmap;
-
- if (canvas->bpp > 8)
- canvas->cxPutImageRectRGBA = cdputimagerectrgba;
+ canvas->cxPutImageRectRGBA = cdputimagerectrgba;
}
int cdBaseDriver(void)
diff --git a/src/gdk/cdgdk.h b/src/gdk/cdgdk.h
index ba7efe0..e05e650 100644
--- a/src/gdk/cdgdk.h
+++ b/src/gdk/cdgdk.h
@@ -42,22 +42,18 @@ struct _cdCtxCanvas {
int last_pattern_h;
unsigned int depth; /* canvas depth */
- GdkPixmap* clip_polygon; /* clipping polygon */
- GdkPixmap* new_region;
- GdkPixmap* region_aux;
- GdkGC* region_aux_gc;
long int *xidata; /* Image cache */
int xisize;
- GdkColormap* colormap; /* Color map default */
- GdkColor* color_table; /* Color table of the color map */
+ GdkColormap* colormap; /* Color map */
int num_colors; /* Size of the color table */
- int rshift; /* Red constant to calculate the true color */
- int gshift; /* Green constant to calculate the true color */
- int bshift; /* Blue constant to calculate the true color */
double xmatrix[6]; /* Transformation matrix that includes axis inversion */
float rotate_angle;
int rotate_center_x;
int rotate_center_y;
+ int img_dither;
+
+ GdkRegion* new_rgn;
+ GdkRegion* clip_rgn;
PangoContext *fontcontext;
PangoFontDescription *fontdesc;
@@ -75,7 +71,5 @@ struct _cdCtxCanvas {
cdCtxCanvas *cdgdkCreateCanvas(cdCanvas* canvas, GdkDrawable* wnd, GdkScreen* scr, GdkVisual* vis);
void cdgdkInitTable(cdCanvas* canvas);
void cdgdkKillCanvas(cdCtxCanvas *ctxcanvas);
-int cdgdkClip(cdCtxCanvas *ctxcanvas, int clip_mode);
-void cdgdkPoly(cdCtxCanvas *ctxcanvas, int mode, cdPoint* poly, int n);
#endif
generated by cgit v1.2.3 (git 2.39.1) at 2024-12-25 06:24:23 +0000