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Made the XCC stuff more accessible

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This commit is contained in:
Arturo Espinosa 1997-12-18 00:27:10 +00:00
parent 4de2665e8c
commit 65e63db01e
5 changed files with 337 additions and 466 deletions
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4
gdk/gdk.h
View File

@ -680,10 +680,6 @@ void gdk_color_context_get_pixels_incremental (GdkColorContext *cc,
gulong *colors,
gint *nallocated);
gint gdk_color_context_get_num_colors (GdkColorContext *cc);
gint gdk_color_context_get_depth (GdkColorContext *cc);
GdkColorContextMode gdk_color_context_get_mode (GdkColorContext *cc);
GdkVisual *gdk_color_context_get_visual (GdkColorContext *cc);
gint gdk_color_context_query_color (GdkColorContext *cc,
GdkColor *color);
gint gdk_color_context_query_colors (GdkColorContext *cc,

354
gdk/gdkcc.c
View File

@ -126,14 +126,14 @@ my_x_query_colors(GdkColormap *colormap,
}
static void
query_colors(GdkColorContextPrivate *cc)
query_colors(GdkColorContext *cc)
{
gint i;
GdkColorContextPrivate *ccp = (GdkColorContextPrivate *) cc;
cc->cmap = g_new(GdkColor, cc->num_colors);
for (i = 0; i < cc->num_colors; i++)
cc->cmap[i].pixel = cc->clut ? cc->clut[i] : cc->std_cmap.base_pixel + i;
cc->cmap[i].pixel = cc->clut ? cc->clut[i] : ccp->std_cmap.base_pixel + i;
my_x_query_colors(cc->colormap, cc->cmap, cc->num_colors);
@ -141,7 +141,7 @@ query_colors(GdkColorContextPrivate *cc)
}
static void
init_bw(GdkColorContextPrivate *cc)
init_bw(GdkColorContext *cc)
{
GdkColor color;
@ -165,12 +165,13 @@ init_bw(GdkColorContextPrivate *cc)
}
static void
init_gray(GdkColorContextPrivate *cc)
init_gray(GdkColorContext *cc)
{
GdkColorContextPrivate *ccp = (GdkColorContextPrivate *) cc;
GdkColor *clrs, *cstart;
gint i;
gdouble dinc;
cc->num_colors = GDK_VISUAL_XVISUAL(cc->visual)->map_entries;
cc->clut = g_new(gulong, cc->num_colors);
@ -207,17 +208,17 @@ retrygray:
g_free(cstart);
/* XXX: is this the right thing to do? */
cc->std_cmap.colormap = GDK_COLORMAP_XCOLORMAP(cc->colormap);
cc->std_cmap.base_pixel = 0;
cc->std_cmap.red_max = cc->num_colors - 1;
cc->std_cmap.green_max = 0;
cc->std_cmap.blue_max = 0;
cc->std_cmap.red_mult = 1;
cc->std_cmap.green_mult = 0;
cc->std_cmap.blue_mult = 0;
ccp->std_cmap.colormap = GDK_COLORMAP_XCOLORMAP(cc->colormap);
ccp->std_cmap.base_pixel = 0;
ccp->std_cmap.red_max = cc->num_colors - 1;
ccp->std_cmap.green_max = 0;
ccp->std_cmap.blue_max = 0;
ccp->std_cmap.red_mult = 1;
ccp->std_cmap.green_mult = 0;
ccp->std_cmap.blue_mult = 0;
cc->white_pixel = WhitePixel(cc->xdisplay, gdk_screen);
cc->black_pixel = BlackPixel(cc->xdisplay, gdk_screen);
cc->white_pixel = WhitePixel(ccp->xdisplay, gdk_screen);
cc->black_pixel = BlackPixel(ccp->xdisplay, gdk_screen);
query_colors(cc);
@ -225,8 +226,9 @@ retrygray:
}
static void
init_color(GdkColorContextPrivate *cc)
init_color(GdkColorContext *cc)
{
GdkColorContextPrivate *ccp = (GdkColorContextPrivate *) cc;
gint cubeval;
cubeval = 1;
@ -236,17 +238,17 @@ init_color(GdkColorContextPrivate *cc)
cc->num_colors = cubeval * cubeval * cubeval;
cc->std_cmap.red_max = cubeval - 1;
cc->std_cmap.green_max = cubeval - 1;
cc->std_cmap.blue_max = cubeval - 1;
cc->std_cmap.red_mult = cubeval * cubeval;
cc->std_cmap.green_mult = cubeval;
cc->std_cmap.blue_mult = 1;
cc->std_cmap.base_pixel = 0;
ccp->std_cmap.red_max = cubeval - 1;
ccp->std_cmap.green_max = cubeval - 1;
ccp->std_cmap.blue_max = cubeval - 1;
ccp->std_cmap.red_mult = cubeval * cubeval;
ccp->std_cmap.green_mult = cubeval;
ccp->std_cmap.blue_mult = 1;
ccp->std_cmap.base_pixel = 0;
cc->white_pixel = WhitePixel(cc->xdisplay, gdk_screen);
cc->black_pixel = BlackPixel(cc->xdisplay, gdk_screen);
cc->num_colors = DisplayCells(cc->xdisplay, gdk_screen);
cc->white_pixel = WhitePixel(ccp->xdisplay, gdk_screen);
cc->black_pixel = BlackPixel(ccp->xdisplay, gdk_screen);
cc->num_colors = DisplayCells(ccp->xdisplay, gdk_screen);
/* a CLUT for storing allocated pixel indices */
@ -263,8 +265,9 @@ init_color(GdkColorContextPrivate *cc)
static void
init_true_color(GdkColorContextPrivate *cc)
init_true_color(GdkColorContext *cc)
{
GdkColorContextPrivate *ccp = (GdkColorContextPrivate *) cc;
gulong rmask, gmask, bmask;
cc->mode = GDK_CC_MODE_TRUE;
@ -321,12 +324,12 @@ init_true_color(GdkColorContextPrivate *cc)
}
cc->num_colors = (cc->visual->red_mask | cc->visual->green_mask | cc->visual->blue_mask) + 1;
cc->white_pixel = WhitePixel(cc->xdisplay, gdk_screen);
cc->black_pixel = BlackPixel(cc->xdisplay, gdk_screen);
cc->white_pixel = WhitePixel(ccp->xdisplay, gdk_screen);
cc->black_pixel = BlackPixel(ccp->xdisplay, gdk_screen);
}
static void
init_direct_color(GdkColorContextPrivate *cc)
init_direct_color(GdkColorContext *cc)
{
gint n, count;
GdkColor *clrs, *cstart;
@ -425,7 +428,7 @@ retrydirect:
}
static void
init_palette(GdkColorContextPrivate *cc)
init_palette(GdkColorContext *cc)
{
/* restore correct mode for this cc */
@ -479,17 +482,18 @@ GdkColorContext *
gdk_color_context_new(GdkVisual *visual,
GdkColormap *colormap)
{
GdkColorContextPrivate *ccp;
gint use_private_colormap = FALSE; /* XXX: maybe restore full functionality later? */
GdkColorContextPrivate *cc;
GdkColorContext *cc;
gint retry_count;
GdkColormap *default_colormap;
g_assert(visual != NULL);
g_assert(colormap != NULL);
cc = g_new(GdkColorContextPrivate, 1);
cc->xdisplay = gdk_display;
cc = g_new(GdkColorContext, 1);
ccp = (GdkColorContextPrivate *) cc;
ccp->xdisplay = gdk_display;
cc->visual = visual;
cc->colormap = colormap;
cc->clut = NULL;
@ -599,14 +603,15 @@ GdkColorContext *
gdk_color_context_new_mono(GdkVisual *visual,
GdkColormap *colormap)
{
GdkColorContextPrivate *cc;
GdkColorContextPrivate *ccp;
GdkColorContext *cc;
g_assert(visual != NULL);
g_assert(colormap != NULL);
cc = g_new(GdkColorContextPrivate, 1);
cc->xdisplay = gdk_display;
cc = g_new(GdkColorContext, 1);
ccp = (GdkColorContextPrivate *) cc;
ccp->xdisplay = gdk_display;
cc->visual = visual;
cc->colormap = colormap;
cc->clut = NULL;
@ -624,36 +629,32 @@ gdk_color_context_new_mono(GdkVisual *visual,
void
gdk_color_context_free(GdkColorContext *cc)
{
GdkColorContextPrivate *ccp;
g_assert(cc != NULL);
ccp = (GdkColorContextPrivate *) cc;
if ((ccp->visual->type == GDK_VISUAL_STATIC_COLOR)
|| (ccp->visual->type == GDK_VISUAL_PSEUDO_COLOR)) {
gdk_colors_free(ccp->colormap, ccp->clut, ccp->num_allocated, 0);
g_free(ccp->clut);
} else if (ccp->clut != NULL) {
gdk_colors_free(ccp->colormap, ccp->clut, ccp->num_colors, 0);
g_free(ccp->clut);
if ((cc->visual->type == GDK_VISUAL_STATIC_COLOR)
|| (cc->visual->type == GDK_VISUAL_PSEUDO_COLOR)) {
gdk_colors_free(cc->colormap, cc->clut, cc->num_allocated, 0);
g_free(cc->clut);
} else if (cc->clut != NULL) {
gdk_colors_free(cc->colormap, cc->clut, cc->num_colors, 0);
g_free(cc->clut);
}
if (ccp->cmap != NULL)
g_free(ccp->cmap);
if (cc->cmap != NULL)
g_free(cc->cmap);
if (ccp->need_to_free_colormap)
gdk_colormap_destroy(ccp->colormap);
if (cc->need_to_free_colormap)
gdk_colormap_destroy(cc->colormap);
/* free any palette that has been associated with this GdkColorContext */
init_palette(ccp);
init_palette(cc);
if (ccp->color_hash) {
g_hash_table_foreach(ccp->color_hash,
if (cc->color_hash) {
g_hash_table_foreach(cc->color_hash,
free_hash_entry,
NULL);
g_hash_table_destroy(ccp->color_hash);
g_hash_table_destroy(cc->color_hash);
}
g_free(cc);
@ -666,16 +667,13 @@ gdk_color_context_get_pixel(GdkColorContext *cc,
gushort blue,
gint *failed)
{
GdkColorContextPrivate *ccp;
GdkColorContextPrivate *ccp = (GdkColorContextPrivate *) cc;
g_assert(cc != NULL);
g_assert(failed != NULL);
ccp = (GdkColorContextPrivate *) cc;
*failed = FALSE;
switch (ccp->mode) {
switch (cc->mode) {
case GDK_CC_MODE_BW: {
gdouble value;
@ -688,9 +686,9 @@ gdk_color_context_get_pixel(GdkColorContext *cc,
+ blue / 65535.0 * 0.11;
if (value > 0.5)
return ccp->white_pixel;
return cc->white_pixel;
return ccp->black_pixel;
return cc->black_pixel;
}
case GDK_CC_MODE_MY_GRAY: {
@ -722,8 +720,8 @@ gdk_color_context_get_pixel(GdkColorContext *cc,
iblue *= ccp->std_cmap.blue_mult;
if (ccp->clut != NULL)
return ccp->clut[ccp->std_cmap.base_pixel + ired + igreen + iblue];
if (cc->clut != NULL)
return cc->clut[ccp->std_cmap.base_pixel + ired + igreen + iblue];
return ccp->std_cmap.base_pixel + ired + igreen + iblue;
}
@ -735,21 +733,21 @@ gdk_color_context_get_pixel(GdkColorContext *cc,
green <<= 8;
blue <<= 8;
if (ccp->clut == NULL) {
red >>= 16 - ccp->bits.red;
green >>= 16 - ccp->bits.green;
blue >>= 16 - ccp->bits.blue;
if (cc->clut == NULL) {
red >>= 16 - cc->bits.red;
green >>= 16 - cc->bits.green;
blue >>= 16 - cc->bits.blue;
ired = (red << ccp->shifts.red) & ccp->masks.red;
igreen = (green << ccp->shifts.green) & ccp->masks.green;
iblue = (blue << ccp->shifts.blue) & ccp->masks.blue;
ired = (red << cc->shifts.red) & cc->masks.red;
igreen = (green << cc->shifts.green) & cc->masks.green;
iblue = (blue << cc->shifts.blue) & cc->masks.blue;
return ired | igreen | iblue;
}
ired = ccp->clut[red * ccp->max_entry / 65535] & ccp->masks.red;
igreen = ccp->clut[green * ccp->max_entry / 65535] & ccp->masks.green;
iblue = ccp->clut[blue * ccp->max_entry / 65535] & ccp->masks.blue;
ired = cc->clut[red * cc->max_entry / 65535] & cc->masks.red;
igreen = cc->clut[green * cc->max_entry / 65535] & cc->masks.green;
iblue = cc->clut[blue * cc->max_entry / 65535] & cc->masks.blue;
return ired | igreen | iblue;
}
@ -770,7 +768,7 @@ gdk_color_context_get_pixel(GdkColorContext *cc,
color.green = green;
color.blue = blue;
result = g_hash_table_lookup(ccp->color_hash, &color);
result = g_hash_table_lookup(cc->color_hash, &color);
if (!result) {
color.red = red;
@ -778,7 +776,7 @@ gdk_color_context_get_pixel(GdkColorContext *cc,
color.blue = blue;
color.pixel = 0;
if (!gdk_color_alloc(ccp->colormap, &color))
if (!gdk_color_alloc(cc->colormap, &color))
*failed = TRUE;
else {
GdkColor *cnew;
@ -796,26 +794,26 @@ gdk_color_context_get_pixel(GdkColorContext *cc,
* might be necessary for us to resize the CLUT.
*/
if (ccp->num_allocated == ccp->max_colors) {
ccp->max_colors *= 2;
if (cc->num_allocated == cc->max_colors) {
cc->max_colors *= 2;
if (gdk_debug_level >= 1)
g_print("gdk_color_context_get_pixel: "
"resizing CLUT to %i entries",
ccp->max_colors);
cc->max_colors);
ccp->clut = g_realloc(ccp->clut,
ccp->max_colors * sizeof(gulong));
cc->clut = g_realloc(cc->clut,
cc->max_colors * sizeof(gulong));
}
/* Key and value are the same color structure */
cnew = g_new(GdkColor, 1);
*cnew = color;
g_hash_table_insert(ccp->color_hash, cnew, cnew);
g_hash_table_insert(cc->color_hash, cnew, cnew);
ccp->clut[ccp->num_allocated] = color.pixel;
ccp->num_allocated++;
cc->clut[cc->num_allocated] = color.pixel;
cc->num_allocated++;
return color.pixel;
}
}
@ -834,7 +832,6 @@ gdk_color_context_get_pixels(GdkColorContext *cc,
gulong *colors,
gint *nallocated)
{
GdkColorContextPrivate *ccp;
gint i, k, idx;
gint cmapsize, ncols = 0, nopen = 0, counter = 0;
gint bad_alloc = FALSE;
@ -849,8 +846,6 @@ gdk_color_context_get_pixels(GdkColorContext *cc,
g_assert(colors != NULL);
g_assert(nallocated != NULL);
ccp = (GdkColorContextPrivate *) cc;
memset(defs, 0, MAX_IMAGE_COLORS * sizeof(GdkColor));
memset(failed, 0, MAX_IMAGE_COLORS * sizeof(gint));
memset(allocated, 0, MAX_IMAGE_COLORS * sizeof(gint));
@ -894,7 +889,7 @@ gdk_color_context_get_pixels(GdkColorContext *cc,
if ((ncols == ncolors) || (nopen == 0)) {
if (gdk_debug_level >= 1)
g_print("gdk_color_context_get_pixels: got all %i colors; "
"(%i colors allocated so far", ncolors, ccp->num_allocated);
"(%i colors allocated so far", ncolors, cc->num_allocated);
return;
}
@ -908,7 +903,7 @@ gdk_color_context_get_pixels(GdkColorContext *cc,
/* read up to MAX_IMAGE_COLORS colors of the current colormap */
cmapsize = MIN(ccp->num_colors, MAX_IMAGE_COLORS);
cmapsize = MIN(cc->num_colors, MAX_IMAGE_COLORS);
/* see if the colormap has any colors to read */
@ -932,7 +927,7 @@ gdk_color_context_get_pixels(GdkColorContext *cc,
/* read the colormap */
my_x_query_colors(ccp->colormap, cmap, cmapsize);
my_x_query_colors(cc->colormap, cmap, cmapsize);
/* speedup: downscale here instead of in the matching code */
@ -1017,7 +1012,7 @@ gdk_color_context_get_pixels(GdkColorContext *cc,
if (gdk_debug_level >= 1)
g_print("gdk_color_context_get_pixels: got %i colors, %i exact and "
"%i close (%i colors allocated so far)",
ncolors, exact_col, close_col, ccp->num_allocated);
ncolors, exact_col, close_col, cc->num_allocated);
return;
}
@ -1061,7 +1056,7 @@ gdk_color_context_get_pixels(GdkColorContext *cc,
if (close < 0) {
/* too bad, map to black */
defs[i].pixel = ccp->black_pixel;
defs[i].pixel = cc->black_pixel;
defs[i].red = defs[i].green = defs[i].blue = 0;
#ifdef DEBUG
black_col++;
@ -1079,7 +1074,7 @@ gdk_color_context_get_pixels(GdkColorContext *cc,
if (gdk_debug_level >= 1)
g_print("gdk_color_context_get_pixels: got %i colors, %i exact, %i close, "
"%i substituted, %i to black (%i colors allocated so far)",
ncolors, exact_col, close_col, subst_col, black_col, ccp->num_allocated);
ncolors, exact_col, close_col, subst_col, black_col, cc->num_allocated);
}
void
@ -1092,7 +1087,6 @@ gdk_color_context_get_pixels_incremental(GdkColorContext *cc,
gulong *colors,
gint *nallocated)
{
GdkColorContextPrivate *ccp;
gint i, k, idx;
gint cmapsize, ncols = 0, nopen = 0, counter = 0;
gint bad_alloc = FALSE;
@ -1108,8 +1102,6 @@ gdk_color_context_get_pixels_incremental(GdkColorContext *cc,
g_assert(colors != NULL);
g_assert(nallocated != NULL);
ccp = (GdkColorContextPrivate *) cc;
memset(defs, 0, MAX_IMAGE_COLORS * sizeof(GdkColor));
memset(failed, 0, MAX_IMAGE_COLORS * sizeof(gint));
memset(allocated, 0, MAX_IMAGE_COLORS * sizeof(gint));
@ -1161,12 +1153,12 @@ gdk_color_context_get_pixels_incremental(GdkColorContext *cc,
if (gdk_debug_level >= 1)
g_print("gdk_color_context_get_pixels_incremental: got all %i colors "
"(%i colors allocated so far)",
ncolors, ccp->num_allocated);
ncolors, cc->num_allocated);
return;
}
cmapsize = MIN(ccp->num_colors, MAX_IMAGE_COLORS);
cmapsize = MIN(cc->num_colors, MAX_IMAGE_COLORS);
if (cmapsize < 0) {
g_warning("gdk_color_context_get_pixels_incremental: oops! "
@ -1187,7 +1179,7 @@ gdk_color_context_get_pixels_incremental(GdkColorContext *cc,
/* read and downscale */
my_x_query_colors(ccp->colormap, cmap, cmapsize);
my_x_query_colors(cc->colormap, cmap, cmapsize);
for (i = 0; i < cmapsize; i++) {
cmap[i].red >>= 8;
@ -1261,7 +1253,7 @@ gdk_color_context_get_pixels_incremental(GdkColorContext *cc,
g_print("gdk_color_context_get_pixels_incremental: "
"got %i colors, %i exact and %i close "
"(%i colors allocated so far)",
ncolors, exact_col, close_col, ccp->num_allocated);
ncolors, exact_col, close_col, cc->num_allocated);
return;
}
@ -1305,7 +1297,7 @@ gdk_color_context_get_pixels_incremental(GdkColorContext *cc,
if (close < 0) {
/* too bad, map to black */
defs[i].pixel = ccp->black_pixel;
defs[i].pixel = cc->black_pixel;
defs[i].red = defs[i].green = defs[i].blue = 0;
#ifdef DEBUG
black_col++;
@ -1324,42 +1316,7 @@ gdk_color_context_get_pixels_incremental(GdkColorContext *cc,
g_print("gdk_color_context_get_pixels_incremental: "
"got %i colors, %i exact, %i close, %i substituted, %i to black "
"(%i colors allocated so far)",
ncolors, exact_col, close_col, subst_col, black_col, ccp->num_allocated);
}
gint
gdk_color_context_get_num_colors(GdkColorContext *cc)
{
g_assert(cc != NULL);
return ((GdkColorContextPrivate *) cc)->num_colors;
}
gint
gdk_color_context_get_depth(GdkColorContext *cc)
{
GdkColorContextPrivate *ccp = (GdkColorContextPrivate *) cc;
g_assert(cc != NULL);
return ccp->visual->depth;
}
GdkColorContextMode
gdk_color_context_get_mode(GdkColorContext *cc)
{
g_assert(cc != NULL);
return ((GdkColorContextPrivate *) cc)->mode;
}
GdkVisual *
gdk_color_context_get_visual(GdkColorContext *cc)
{
g_assert(cc != NULL);
return ((GdkColorContextPrivate *) cc)->visual;
ncolors, exact_col, close_col, subst_col, black_col, cc->num_allocated);
}
gint
@ -1374,19 +1331,16 @@ gdk_color_context_query_colors(GdkColorContext *cc,
GdkColor *colors,
gint num_colors)
{
GdkColorContextPrivate *ccp;
gint i;
GdkColor *tc;
g_assert(cc != NULL);
g_assert(colors != NULL);
ccp = (GdkColorContextPrivate *) cc;
switch (ccp->mode) {
switch (cc->mode) {
case GDK_CC_MODE_BW:
for (i = 0, tc = colors; i < num_colors; i++, tc++) {
if (tc->pixel == ccp->white_pixel)
if (tc->pixel == cc->white_pixel)
tc->red = tc->green = tc->blue = 65535;
else
tc->red = tc->green = tc->blue = 0;
@ -1394,22 +1348,22 @@ gdk_color_context_query_colors(GdkColorContext *cc,
break;
case GDK_CC_MODE_TRUE:
if (ccp->clut == NULL)
if (cc->clut == NULL)
for (i = 0, tc = colors; i < num_colors; i++, tc++) {
tc->red = (tc->pixel & ccp->masks.red) * 65535 / ccp->masks.red;
tc->green = (tc->pixel & ccp->masks.green) * 65535 / ccp->masks.green;
tc->blue = (tc->pixel & ccp->masks.blue) * 65535 / ccp->masks.blue;
tc->red = (tc->pixel & cc->masks.red) * 65535 / cc->masks.red;
tc->green = (tc->pixel & cc->masks.green) * 65535 / cc->masks.green;
tc->blue = (tc->pixel & cc->masks.blue) * 65535 / cc->masks.blue;
}
else {
my_x_query_colors(ccp->colormap, colors, num_colors);
my_x_query_colors(cc->colormap, colors, num_colors);
return 1;
}
break;
case GDK_CC_MODE_STD_CMAP:
default:
if (ccp->cmap == NULL) {
my_x_query_colors(ccp->colormap, colors, num_colors);
if (cc->cmap == NULL) {
my_x_query_colors(cc->colormap, colors, num_colors);
return 1;
} else {
gint first, last, half;
@ -1417,16 +1371,16 @@ gdk_color_context_query_colors(GdkColorContext *cc,
for (i = 0, tc = colors; i < num_colors; i++) {
first = 0;
last = ccp->num_colors - 1;
last = cc->num_colors - 1;
while (first <= last) {
half = (first + last) / 2;
half_pixel = ccp->cmap[half].pixel;
half_pixel = cc->cmap[half].pixel;
if (tc->pixel == half_pixel) {
tc->red = ccp->cmap[half].red;
tc->green = ccp->cmap[half].green;
tc->blue = ccp->cmap[half].blue;
tc->red = cc->cmap[half].red;
tc->green = cc->cmap[half].green;
tc->blue = cc->cmap[half].blue;
first = last + 1; /* false break */
} else {
if (tc->pixel > half_pixel)
@ -1448,18 +1402,15 @@ gdk_color_context_add_palette(GdkColorContext *cc,
GdkColor *palette,
gint num_palette)
{
GdkColorContextPrivate *ccp;
gint i, j, erg;
gushort r, g, b;
gulong pixel[1];
g_assert(cc != NULL);
ccp = (GdkColorContextPrivate *) cc;
/* initialize this palette (will also erase previous palette as well) */
init_palette(ccp);
init_palette(cc);
/* restore previous mode if we aren't adding a new palette */
@ -1475,12 +1426,12 @@ gdk_color_context_add_palette(GdkColorContext *cc,
* the pixels in the palette using the current settings)
*/
if (ccp->color_hash == NULL)
ccp->color_hash = g_hash_table_new(hash_color, compare_colors);
if (cc->color_hash == NULL)
cc->color_hash = g_hash_table_new(hash_color, compare_colors);
/* copy incoming palette */
ccp->palette = g_new0(GdkColor, num_palette);
cc->palette = g_new0(GdkColor, num_palette);
j = 0;
@ -1501,10 +1452,10 @@ gdk_color_context_add_palette(GdkColorContext *cc,
if (erg) {
/* store in palette */
ccp->palette[j].red = r;
ccp->palette[j].green = g;
ccp->palette[j].blue = b;
ccp->palette[j].pixel = pixel[0];
cc->palette[j].red = r;
cc->palette[j].green = g;
cc->palette[j].blue = b;
cc->palette[j].pixel = pixel[0];
/* move to next slot */
@ -1515,28 +1466,28 @@ gdk_color_context_add_palette(GdkColorContext *cc,
/* resize to fit */
if (j != num_palette)
ccp->palette = g_realloc(ccp->palette, j * sizeof(GdkColor));
cc->palette = g_realloc(cc->palette, j * sizeof(GdkColor));
/* clear the hash table, we don't use it when dithering */
if (ccp->color_hash) {
g_hash_table_destroy(ccp->color_hash);
ccp->color_hash = NULL;
if (cc->color_hash) {
g_hash_table_destroy(cc->color_hash);
cc->color_hash = NULL;
}
/* store real palette size */
ccp->num_palette = j;
cc->num_palette = j;
/* switch to palette mode */
ccp->mode = GDK_CC_MODE_PALETTE;
cc->mode = GDK_CC_MODE_PALETTE;
/* sort palette */
qsort(ccp->palette, ccp->num_palette, sizeof(GdkColor), pixel_sort);
qsort(cc->palette, cc->num_palette, sizeof(GdkColor), pixel_sort);
ccp->fast_dither = NULL;
cc->fast_dither = NULL;
return j;
}
@ -1544,18 +1495,15 @@ gdk_color_context_add_palette(GdkColorContext *cc,
void
gdk_color_context_init_dither(GdkColorContext *cc)
{
GdkColorContextPrivate *ccp;
gint rr, gg, bb, err, erg, erb;
gint success = FALSE;
g_assert(cc != NULL);
ccp = (GdkColorContextPrivate *) cc;
/* now we can initialize the fast dither matrix */
if(ccp->fast_dither == NULL)
ccp->fast_dither = g_new(GdkColorContextDither, 1);
if(cc->fast_dither == NULL)
cc->fast_dither = g_new(GdkColorContextDither, 1);
/* Fill it. We ignore unsuccessful allocations, they are just mapped
* to black instead */
@ -1567,27 +1515,23 @@ gdk_color_context_init_dither(GdkColorContext *cc)
erg = (gg << 3) | (gg >> 2);
erb = (bb << 3) | (bb >> 2);
ccp->fast_dither->fast_rgb[rr][gg][bb] =
cc->fast_dither->fast_rgb[rr][gg][bb] =
gdk_color_context_get_index_from_palette(cc, &err, &erg, &erb, &success);
ccp->fast_dither->fast_err[rr][gg][bb] = err;
ccp->fast_dither->fast_erg[rr][gg][bb] = erg;
ccp->fast_dither->fast_erb[rr][gg][bb] = erb;
cc->fast_dither->fast_err[rr][gg][bb] = err;
cc->fast_dither->fast_erg[rr][gg][bb] = erg;
cc->fast_dither->fast_erb[rr][gg][bb] = erb;
}
}
void
gdk_color_context_free_dither(GdkColorContext *cc)
{
GdkColorContextPrivate *ccp;
g_assert(cc != NULL);
ccp = (GdkColorContextPrivate *) cc;
if (cc->fast_dither)
g_free(cc->fast_dither);
if (ccp->fast_dither)
g_free(ccp->fast_dither);
ccp->fast_dither = NULL;
cc->fast_dither = NULL;
}
gulong
@ -1597,7 +1541,6 @@ gdk_color_context_get_pixel_from_palette(GdkColorContext *cc,
gushort *blue,
gint *failed)
{
GdkColorContextPrivate *ccp;
gulong pixel = 0;
gint dif, dr, dg, db, j = -1;
gint mindif = 0x7fffffff;
@ -1610,21 +1553,19 @@ gdk_color_context_get_pixel_from_palette(GdkColorContext *cc,
g_assert(blue != NULL);
g_assert(failed != NULL);
ccp = (GdkColorContextPrivate *) cc;
*failed = FALSE;
for (i = 0; i < ccp->num_palette; i++) {
dr = *red - ccp->palette[i].red;
dg = *green - ccp->palette[i].green;
db = *blue - ccp->palette[i].blue;
for (i = 0; i < cc->num_palette; i++) {
dr = *red - cc->palette[i].red;
dg = *green - cc->palette[i].green;
db = *blue - cc->palette[i].blue;
dif = dr * dr + dg * dg + db * db;
if (dif < mindif) {
mindif = dif;
j = i;
pixel = ccp->palette[i].pixel;
pixel = cc->palette[i].pixel;
err = dr;
erg = dg;
erb = db;
@ -1654,7 +1595,6 @@ gdk_color_context_get_index_from_palette(GdkColorContext *cc,
gint *blue,
gint *failed)
{
GdkColorContextPrivate *ccp;
gint dif, dr, dg, db, j = -1;
gint mindif = 0x7fffffff;
gint err = 0, erg = 0, erb = 0;
@ -1666,14 +1606,12 @@ gdk_color_context_get_index_from_palette(GdkColorContext *cc,
g_assert(blue != NULL);
g_assert(failed != NULL);
ccp = (GdkColorContextPrivate *) cc;
*failed = FALSE;
for (i = 0; i < ccp->num_palette; i++) {
dr = *red - ccp->palette[i].red;
dg = *green - ccp->palette[i].green;
db = *blue - ccp->palette[i].blue;
for (i = 0; i < cc->num_palette; i++) {
dr = *red - cc->palette[i].red;
dg = *green - cc->palette[i].green;
db = *blue - cc->palette[i].blue;
dif = dr * dr + dg * dg + db * db;

45
gdk/gdkprivate.h
View File

@ -166,52 +166,7 @@ struct _GdkColorContextPrivate
{
GdkColorContext color_context;
Display *xdisplay;
GdkVisual *visual;
GdkColormap *colormap;
gint num_colors; /* available no. of colors in colormap */
gint max_colors; /* maximum no. of colors */
gint num_allocated; /* no. of allocated colors */
GdkColorContextMode mode;
gint need_to_free_colormap;
GdkAtom std_cmap_atom;
XStandardColormap std_cmap;
gulong *clut; /* color look-up table */
GdkColor *cmap; /* colormap */
GHashTable *color_hash; /* hash table of allocated colors */
GdkColor *palette; /* preallocated palette */
gint num_palette; /* size of palette */
GdkColorContextDither *fast_dither; /* fast dither matrix */
struct
{
gint red;
gint green;
gint blue;
} shifts;
struct
{
gulong red;
gulong green;
gulong blue;
} masks;
struct {
gint red;
gint green;
gint blue;
} bits;
gulong max_entry;
gulong black_pixel;
gulong white_pixel;
};

46
gdk/gdktypes.h
View File

@ -752,7 +752,51 @@ struct _GdkColorContextDither
struct _GdkColorContext
{
gint dummy;
GdkVisual *visual;
GdkColormap *colormap;
gint num_colors; /* available no. of colors in colormap */
gint max_colors; /* maximum no. of colors */
gint num_allocated; /* no. of allocated colors */
GdkColorContextMode mode;
gint need_to_free_colormap;
GdkAtom std_cmap_atom;
gulong *clut; /* color look-up table */
GdkColor *cmap; /* colormap */
GHashTable *color_hash; /* hash table of allocated colors */
GdkColor *palette; /* preallocated palette */
gint num_palette; /* size of palette */
GdkColorContextDither *fast_dither; /* fast dither matrix */
struct
{
gint red;
gint green;
gint blue;
} shifts;
struct
{
gulong red;
gulong green;
gulong blue;
} masks;
struct {
gint red;
gint green;
gint blue;
} bits;
gulong max_entry;
gulong black_pixel;
gulong white_pixel;
};
/* Types for XInput support */

354
gdk/x11/gdkcc-x11.c
View File

@ -126,14 +126,14 @@ my_x_query_colors(GdkColormap *colormap,
}
static void
query_colors(GdkColorContextPrivate *cc)
query_colors(GdkColorContext *cc)
{
gint i;
GdkColorContextPrivate *ccp = (GdkColorContextPrivate *) cc;
cc->cmap = g_new(GdkColor, cc->num_colors);
for (i = 0; i < cc->num_colors; i++)
cc->cmap[i].pixel = cc->clut ? cc->clut[i] : cc->std_cmap.base_pixel + i;
cc->cmap[i].pixel = cc->clut ? cc->clut[i] : ccp->std_cmap.base_pixel + i;
my_x_query_colors(cc->colormap, cc->cmap, cc->num_colors);
@ -141,7 +141,7 @@ query_colors(GdkColorContextPrivate *cc)
}
static void
init_bw(GdkColorContextPrivate *cc)
init_bw(GdkColorContext *cc)
{
GdkColor color;
@ -165,12 +165,13 @@ init_bw(GdkColorContextPrivate *cc)
}
static void
init_gray(GdkColorContextPrivate *cc)
init_gray(GdkColorContext *cc)
{
GdkColorContextPrivate *ccp = (GdkColorContextPrivate *) cc;
GdkColor *clrs, *cstart;
gint i;
gdouble dinc;
cc->num_colors = GDK_VISUAL_XVISUAL(cc->visual)->map_entries;
cc->clut = g_new(gulong, cc->num_colors);
@ -207,17 +208,17 @@ retrygray:
g_free(cstart);
/* XXX: is this the right thing to do? */
cc->std_cmap.colormap = GDK_COLORMAP_XCOLORMAP(cc->colormap);
cc->std_cmap.base_pixel = 0;
cc->std_cmap.red_max = cc->num_colors - 1;
cc->std_cmap.green_max = 0;
cc->std_cmap.blue_max = 0;
cc->std_cmap.red_mult = 1;
cc->std_cmap.green_mult = 0;
cc->std_cmap.blue_mult = 0;
ccp->std_cmap.colormap = GDK_COLORMAP_XCOLORMAP(cc->colormap);
ccp->std_cmap.base_pixel = 0;
ccp->std_cmap.red_max = cc->num_colors - 1;
ccp->std_cmap.green_max = 0;
ccp->std_cmap.blue_max = 0;
ccp->std_cmap.red_mult = 1;
ccp->std_cmap.green_mult = 0;
ccp->std_cmap.blue_mult = 0;
cc->white_pixel = WhitePixel(cc->xdisplay, gdk_screen);
cc->black_pixel = BlackPixel(cc->xdisplay, gdk_screen);
cc->white_pixel = WhitePixel(ccp->xdisplay, gdk_screen);
cc->black_pixel = BlackPixel(ccp->xdisplay, gdk_screen);
query_colors(cc);
@ -225,8 +226,9 @@ retrygray:
}
static void
init_color(GdkColorContextPrivate *cc)
init_color(GdkColorContext *cc)
{
GdkColorContextPrivate *ccp = (GdkColorContextPrivate *) cc;
gint cubeval;
cubeval = 1;
@ -236,17 +238,17 @@ init_color(GdkColorContextPrivate *cc)
cc->num_colors = cubeval * cubeval * cubeval;
cc->std_cmap.red_max = cubeval - 1;
cc->std_cmap.green_max = cubeval - 1;
cc->std_cmap.blue_max = cubeval - 1;
cc->std_cmap.red_mult = cubeval * cubeval;
cc->std_cmap.green_mult = cubeval;
cc->std_cmap.blue_mult = 1;
cc->std_cmap.base_pixel = 0;
ccp->std_cmap.red_max = cubeval - 1;
ccp->std_cmap.green_max = cubeval - 1;
ccp->std_cmap.blue_max = cubeval - 1;
ccp->std_cmap.red_mult = cubeval * cubeval;
ccp->std_cmap.green_mult = cubeval;
ccp->std_cmap.blue_mult = 1;
ccp->std_cmap.base_pixel = 0;
cc->white_pixel = WhitePixel(cc->xdisplay, gdk_screen);
cc->black_pixel = BlackPixel(cc->xdisplay, gdk_screen);
cc->num_colors = DisplayCells(cc->xdisplay, gdk_screen);
cc->white_pixel = WhitePixel(ccp->xdisplay, gdk_screen);
cc->black_pixel = BlackPixel(ccp->xdisplay, gdk_screen);
cc->num_colors = DisplayCells(ccp->xdisplay, gdk_screen);
/* a CLUT for storing allocated pixel indices */
@ -263,8 +265,9 @@ init_color(GdkColorContextPrivate *cc)
static void
init_true_color(GdkColorContextPrivate *cc)
init_true_color(GdkColorContext *cc)
{
GdkColorContextPrivate *ccp = (GdkColorContextPrivate *) cc;
gulong rmask, gmask, bmask;
cc->mode = GDK_CC_MODE_TRUE;
@ -321,12 +324,12 @@ init_true_color(GdkColorContextPrivate *cc)
}
cc->num_colors = (cc->visual->red_mask | cc->visual->green_mask | cc->visual->blue_mask) + 1;
cc->white_pixel = WhitePixel(cc->xdisplay, gdk_screen);
cc->black_pixel = BlackPixel(cc->xdisplay, gdk_screen);
cc->white_pixel = WhitePixel(ccp->xdisplay, gdk_screen);
cc->black_pixel = BlackPixel(ccp->xdisplay, gdk_screen);
}
static void
init_direct_color(GdkColorContextPrivate *cc)
init_direct_color(GdkColorContext *cc)
{
gint n, count;
GdkColor *clrs, *cstart;
@ -425,7 +428,7 @@ retrydirect:
}
static void
init_palette(GdkColorContextPrivate *cc)
init_palette(GdkColorContext *cc)
{
/* restore correct mode for this cc */
@ -479,17 +482,18 @@ GdkColorContext *
gdk_color_context_new(GdkVisual *visual,
GdkColormap *colormap)
{
GdkColorContextPrivate *ccp;
gint use_private_colormap = FALSE; /* XXX: maybe restore full functionality later? */
GdkColorContextPrivate *cc;
GdkColorContext *cc;
gint retry_count;
GdkColormap *default_colormap;
g_assert(visual != NULL);
g_assert(colormap != NULL);
cc = g_new(GdkColorContextPrivate, 1);
cc->xdisplay = gdk_display;
cc = g_new(GdkColorContext, 1);
ccp = (GdkColorContextPrivate *) cc;
ccp->xdisplay = gdk_display;
cc->visual = visual;
cc->colormap = colormap;
cc->clut = NULL;
@ -599,14 +603,15 @@ GdkColorContext *
gdk_color_context_new_mono(GdkVisual *visual,
GdkColormap *colormap)
{
GdkColorContextPrivate *cc;
GdkColorContextPrivate *ccp;
GdkColorContext *cc;
g_assert(visual != NULL);
g_assert(colormap != NULL);
cc = g_new(GdkColorContextPrivate, 1);
cc->xdisplay = gdk_display;
cc = g_new(GdkColorContext, 1);
ccp = (GdkColorContextPrivate *) cc;
ccp->xdisplay = gdk_display;
cc->visual = visual;
cc->colormap = colormap;
cc->clut = NULL;
@ -624,36 +629,32 @@ gdk_color_context_new_mono(GdkVisual *visual,
void
gdk_color_context_free(GdkColorContext *cc)
{
GdkColorContextPrivate *ccp;
g_assert(cc != NULL);
ccp = (GdkColorContextPrivate *) cc;
if ((ccp->visual->type == GDK_VISUAL_STATIC_COLOR)
|| (ccp->visual->type == GDK_VISUAL_PSEUDO_COLOR)) {
gdk_colors_free(ccp->colormap, ccp->clut, ccp->num_allocated, 0);
g_free(ccp->clut);
} else if (ccp->clut != NULL) {
gdk_colors_free(ccp->colormap, ccp->clut, ccp->num_colors, 0);
g_free(ccp->clut);
if ((cc->visual->type == GDK_VISUAL_STATIC_COLOR)
|| (cc->visual->type == GDK_VISUAL_PSEUDO_COLOR)) {
gdk_colors_free(cc->colormap, cc->clut, cc->num_allocated, 0);
g_free(cc->clut);
} else if (cc->clut != NULL) {
gdk_colors_free(cc->colormap, cc->clut, cc->num_colors, 0);
g_free(cc->clut);
}
if (ccp->cmap != NULL)
g_free(ccp->cmap);
if (cc->cmap != NULL)
g_free(cc->cmap);
if (ccp->need_to_free_colormap)
gdk_colormap_destroy(ccp->colormap);
if (cc->need_to_free_colormap)
gdk_colormap_destroy(cc->colormap);
/* free any palette that has been associated with this GdkColorContext */
init_palette(ccp);
init_palette(cc);
if (ccp->color_hash) {
g_hash_table_foreach(ccp->color_hash,
if (cc->color_hash) {
g_hash_table_foreach(cc->color_hash,
free_hash_entry,
NULL);
g_hash_table_destroy(ccp->color_hash);
g_hash_table_destroy(cc->color_hash);
}
g_free(cc);
@ -666,16 +667,13 @@ gdk_color_context_get_pixel(GdkColorContext *cc,
gushort blue,
gint *failed)
{
GdkColorContextPrivate *ccp;
GdkColorContextPrivate *ccp = (GdkColorContextPrivate *) cc;
g_assert(cc != NULL);
g_assert(failed != NULL);
ccp = (GdkColorContextPrivate *) cc;
*failed = FALSE;
switch (ccp->mode) {
switch (cc->mode) {
case GDK_CC_MODE_BW: {
gdouble value;
@ -688,9 +686,9 @@ gdk_color_context_get_pixel(GdkColorContext *cc,
+ blue / 65535.0 * 0.11;
if (value > 0.5)
return ccp->white_pixel;
return cc->white_pixel;
return ccp->black_pixel;
return cc->black_pixel;
}
case GDK_CC_MODE_MY_GRAY: {
@ -722,8 +720,8 @@ gdk_color_context_get_pixel(GdkColorContext *cc,
iblue *= ccp->std_cmap.blue_mult;
if (ccp->clut != NULL)
return ccp->clut[ccp->std_cmap.base_pixel + ired + igreen + iblue];
if (cc->clut != NULL)
return cc->clut[ccp->std_cmap.base_pixel + ired + igreen + iblue];
return ccp->std_cmap.base_pixel + ired + igreen + iblue;
}
@ -735,21 +733,21 @@ gdk_color_context_get_pixel(GdkColorContext *cc,
green <<= 8;
blue <<= 8;
if (ccp->clut == NULL) {
red >>= 16 - ccp->bits.red;
green >>= 16 - ccp->bits.green;
blue >>= 16 - ccp->bits.blue;
if (cc->clut == NULL) {
red >>= 16 - cc->bits.red;
green >>= 16 - cc->bits.green;
blue >>= 16 - cc->bits.blue;
ired = (red << ccp->shifts.red) & ccp->masks.red;
igreen = (green << ccp->shifts.green) & ccp->masks.green;
iblue = (blue << ccp->shifts.blue) & ccp->masks.blue;
ired = (red << cc->shifts.red) & cc->masks.red;
igreen = (green << cc->shifts.green) & cc->masks.green;
iblue = (blue << cc->shifts.blue) & cc->masks.blue;
return ired | igreen | iblue;
}
ired = ccp->clut[red * ccp->max_entry / 65535] & ccp->masks.red;
igreen = ccp->clut[green * ccp->max_entry / 65535] & ccp->masks.green;
iblue = ccp->clut[blue * ccp->max_entry / 65535] & ccp->masks.blue;
ired = cc->clut[red * cc->max_entry / 65535] & cc->masks.red;
igreen = cc->clut[green * cc->max_entry / 65535] & cc->masks.green;
iblue = cc->clut[blue * cc->max_entry / 65535] & cc->masks.blue;
return ired | igreen | iblue;
}
@ -770,7 +768,7 @@ gdk_color_context_get_pixel(GdkColorContext *cc,
color.green = green;
color.blue = blue;
result = g_hash_table_lookup(ccp->color_hash, &color);
result = g_hash_table_lookup(cc->color_hash, &color);
if (!result) {
color.red = red;
@ -778,7 +776,7 @@ gdk_color_context_get_pixel(GdkColorContext *cc,
color.blue = blue;
color.pixel = 0;
if (!gdk_color_alloc(ccp->colormap, &color))
if (!gdk_color_alloc(cc->colormap, &color))
*failed = TRUE;
else {
GdkColor *cnew;
@ -796,26 +794,26 @@ gdk_color_context_get_pixel(GdkColorContext *cc,
* might be necessary for us to resize the CLUT.
*/
if (ccp->num_allocated == ccp->max_colors) {
ccp->max_colors *= 2;
if (cc->num_allocated == cc->max_colors) {
cc->max_colors *= 2;
if (gdk_debug_level >= 1)
g_print("gdk_color_context_get_pixel: "
"resizing CLUT to %i entries",
ccp->max_colors);
cc->max_colors);
ccp->clut = g_realloc(ccp->clut,
ccp->max_colors * sizeof(gulong));
cc->clut = g_realloc(cc->clut,
cc->max_colors * sizeof(gulong));
}
/* Key and value are the same color structure */
cnew = g_new(GdkColor, 1);
*cnew = color;
g_hash_table_insert(ccp->color_hash, cnew, cnew);
g_hash_table_insert(cc->color_hash, cnew, cnew);
ccp->clut[ccp->num_allocated] = color.pixel;
ccp->num_allocated++;
cc->clut[cc->num_allocated] = color.pixel;
cc->num_allocated++;
return color.pixel;
}
}
@ -834,7 +832,6 @@ gdk_color_context_get_pixels(GdkColorContext *cc,
gulong *colors,
gint *nallocated)
{
GdkColorContextPrivate *ccp;
gint i, k, idx;
gint cmapsize, ncols = 0, nopen = 0, counter = 0;
gint bad_alloc = FALSE;
@ -849,8 +846,6 @@ gdk_color_context_get_pixels(GdkColorContext *cc,
g_assert(colors != NULL);
g_assert(nallocated != NULL);
ccp = (GdkColorContextPrivate *) cc;
memset(defs, 0, MAX_IMAGE_COLORS * sizeof(GdkColor));
memset(failed, 0, MAX_IMAGE_COLORS * sizeof(gint));
memset(allocated, 0, MAX_IMAGE_COLORS * sizeof(gint));
@ -894,7 +889,7 @@ gdk_color_context_get_pixels(GdkColorContext *cc,
if ((ncols == ncolors) || (nopen == 0)) {
if (gdk_debug_level >= 1)
g_print("gdk_color_context_get_pixels: got all %i colors; "
"(%i colors allocated so far", ncolors, ccp->num_allocated);
"(%i colors allocated so far", ncolors, cc->num_allocated);
return;
}
@ -908,7 +903,7 @@ gdk_color_context_get_pixels(GdkColorContext *cc,
/* read up to MAX_IMAGE_COLORS colors of the current colormap */
cmapsize = MIN(ccp->num_colors, MAX_IMAGE_COLORS);
cmapsize = MIN(cc->num_colors, MAX_IMAGE_COLORS);
/* see if the colormap has any colors to read */
@ -932,7 +927,7 @@ gdk_color_context_get_pixels(GdkColorContext *cc,
/* read the colormap */
my_x_query_colors(ccp->colormap, cmap, cmapsize);
my_x_query_colors(cc->colormap, cmap, cmapsize);
/* speedup: downscale here instead of in the matching code */
@ -1017,7 +1012,7 @@ gdk_color_context_get_pixels(GdkColorContext *cc,
if (gdk_debug_level >= 1)
g_print("gdk_color_context_get_pixels: got %i colors, %i exact and "
"%i close (%i colors allocated so far)",
ncolors, exact_col, close_col, ccp->num_allocated);
ncolors, exact_col, close_col, cc->num_allocated);
return;
}
@ -1061,7 +1056,7 @@ gdk_color_context_get_pixels(GdkColorContext *cc,
if (close < 0) {
/* too bad, map to black */
defs[i].pixel = ccp->black_pixel;
defs[i].pixel = cc->black_pixel;
defs[i].red = defs[i].green = defs[i].blue = 0;
#ifdef DEBUG
black_col++;
@ -1079,7 +1074,7 @@ gdk_color_context_get_pixels(GdkColorContext *cc,
if (gdk_debug_level >= 1)
g_print("gdk_color_context_get_pixels: got %i colors, %i exact, %i close, "
"%i substituted, %i to black (%i colors allocated so far)",
ncolors, exact_col, close_col, subst_col, black_col, ccp->num_allocated);
ncolors, exact_col, close_col, subst_col, black_col, cc->num_allocated);
}
void
@ -1092,7 +1087,6 @@ gdk_color_context_get_pixels_incremental(GdkColorContext *cc,
gulong *colors,
gint *nallocated)
{
GdkColorContextPrivate *ccp;
gint i, k, idx;
gint cmapsize, ncols = 0, nopen = 0, counter = 0;
gint bad_alloc = FALSE;
@ -1108,8 +1102,6 @@ gdk_color_context_get_pixels_incremental(GdkColorContext *cc,
g_assert(colors != NULL);
g_assert(nallocated != NULL);
ccp = (GdkColorContextPrivate *) cc;
memset(defs, 0, MAX_IMAGE_COLORS * sizeof(GdkColor));
memset(failed, 0, MAX_IMAGE_COLORS * sizeof(gint));
memset(allocated, 0, MAX_IMAGE_COLORS * sizeof(gint));
@ -1161,12 +1153,12 @@ gdk_color_context_get_pixels_incremental(GdkColorContext *cc,
if (gdk_debug_level >= 1)
g_print("gdk_color_context_get_pixels_incremental: got all %i colors "
"(%i colors allocated so far)",
ncolors, ccp->num_allocated);
ncolors, cc->num_allocated);
return;
}
cmapsize = MIN(ccp->num_colors, MAX_IMAGE_COLORS);
cmapsize = MIN(cc->num_colors, MAX_IMAGE_COLORS);
if (cmapsize < 0) {
g_warning("gdk_color_context_get_pixels_incremental: oops! "
@ -1187,7 +1179,7 @@ gdk_color_context_get_pixels_incremental(GdkColorContext *cc,
/* read and downscale */
my_x_query_colors(ccp->colormap, cmap, cmapsize);
my_x_query_colors(cc->colormap, cmap, cmapsize);
for (i = 0; i < cmapsize; i++) {
cmap[i].red >>= 8;
@ -1261,7 +1253,7 @@ gdk_color_context_get_pixels_incremental(GdkColorContext *cc,
g_print("gdk_color_context_get_pixels_incremental: "
"got %i colors, %i exact and %i close "
"(%i colors allocated so far)",
ncolors, exact_col, close_col, ccp->num_allocated);
ncolors, exact_col, close_col, cc->num_allocated);
return;
}
@ -1305,7 +1297,7 @@ gdk_color_context_get_pixels_incremental(GdkColorContext *cc,
if (close < 0) {
/* too bad, map to black */
defs[i].pixel = ccp->black_pixel;
defs[i].pixel = cc->black_pixel;
defs[i].red = defs[i].green = defs[i].blue = 0;
#ifdef DEBUG
black_col++;
@ -1324,42 +1316,7 @@ gdk_color_context_get_pixels_incremental(GdkColorContext *cc,
g_print("gdk_color_context_get_pixels_incremental: "
"got %i colors, %i exact, %i close, %i substituted, %i to black "
"(%i colors allocated so far)",
ncolors, exact_col, close_col, subst_col, black_col, ccp->num_allocated);
}
gint
gdk_color_context_get_num_colors(GdkColorContext *cc)
{
g_assert(cc != NULL);
return ((GdkColorContextPrivate *) cc)->num_colors;
}
gint
gdk_color_context_get_depth(GdkColorContext *cc)
{
GdkColorContextPrivate *ccp = (GdkColorContextPrivate *) cc;
g_assert(cc != NULL);
return ccp->visual->depth;
}
GdkColorContextMode
gdk_color_context_get_mode(GdkColorContext *cc)
{
g_assert(cc != NULL);
return ((GdkColorContextPrivate *) cc)->mode;
}
GdkVisual *
gdk_color_context_get_visual(GdkColorContext *cc)
{
g_assert(cc != NULL);
return ((GdkColorContextPrivate *) cc)->visual;
ncolors, exact_col, close_col, subst_col, black_col, cc->num_allocated);
}
gint
@ -1374,19 +1331,16 @@ gdk_color_context_query_colors(GdkColorContext *cc,
GdkColor *colors,
gint num_colors)
{
GdkColorContextPrivate *ccp;
gint i;
GdkColor *tc;
g_assert(cc != NULL);
g_assert(colors != NULL);
ccp = (GdkColorContextPrivate *) cc;
switch (ccp->mode) {
switch (cc->mode) {
case GDK_CC_MODE_BW:
for (i = 0, tc = colors; i < num_colors; i++, tc++) {
if (tc->pixel == ccp->white_pixel)
if (tc->pixel == cc->white_pixel)
tc->red = tc->green = tc->blue = 65535;
else
tc->red = tc->green = tc->blue = 0;
@ -1394,22 +1348,22 @@ gdk_color_context_query_colors(GdkColorContext *cc,
break;
case GDK_CC_MODE_TRUE:
if (ccp->clut == NULL)
if (cc->clut == NULL)
for (i = 0, tc = colors; i < num_colors; i++, tc++) {
tc->red = (tc->pixel & ccp->masks.red) * 65535 / ccp->masks.red;
tc->green = (tc->pixel & ccp->masks.green) * 65535 / ccp->masks.green;
tc->blue = (tc->pixel & ccp->masks.blue) * 65535 / ccp->masks.blue;
tc->red = (tc->pixel & cc->masks.red) * 65535 / cc->masks.red;
tc->green = (tc->pixel & cc->masks.green) * 65535 / cc->masks.green;
tc->blue = (tc->pixel & cc->masks.blue) * 65535 / cc->masks.blue;
}
else {
my_x_query_colors(ccp->colormap, colors, num_colors);
my_x_query_colors(cc->colormap, colors, num_colors);
return 1;
}
break;
case GDK_CC_MODE_STD_CMAP:
default:
if (ccp->cmap == NULL) {
my_x_query_colors(ccp->colormap, colors, num_colors);
if (cc->cmap == NULL) {
my_x_query_colors(cc->colormap, colors, num_colors);
return 1;
} else {
gint first, last, half;
@ -1417,16 +1371,16 @@ gdk_color_context_query_colors(GdkColorContext *cc,
for (i = 0, tc = colors; i < num_colors; i++) {
first = 0;
last = ccp->num_colors - 1;
last = cc->num_colors - 1;
while (first <= last) {
half = (first + last) / 2;
half_pixel = ccp->cmap[half].pixel;
half_pixel = cc->cmap[half].pixel;
if (tc->pixel == half_pixel) {
tc->red = ccp->cmap[half].red;
tc->green = ccp->cmap[half].green;
tc->blue = ccp->cmap[half].blue;
tc->red = cc->cmap[half].red;
tc->green = cc->cmap[half].green;
tc->blue = cc->cmap[half].blue;
first = last + 1; /* false break */
} else {
if (tc->pixel > half_pixel)
@ -1448,18 +1402,15 @@ gdk_color_context_add_palette(GdkColorContext *cc,
GdkColor *palette,
gint num_palette)
{
GdkColorContextPrivate *ccp;
gint i, j, erg;
gushort r, g, b;
gulong pixel[1];
g_assert(cc != NULL);
ccp = (GdkColorContextPrivate *) cc;
/* initialize this palette (will also erase previous palette as well) */
init_palette(ccp);
init_palette(cc);
/* restore previous mode if we aren't adding a new palette */
@ -1475,12 +1426,12 @@ gdk_color_context_add_palette(GdkColorContext *cc,
* the pixels in the palette using the current settings)
*/
if (ccp->color_hash == NULL)
ccp->color_hash = g_hash_table_new(hash_color, compare_colors);
if (cc->color_hash == NULL)
cc->color_hash = g_hash_table_new(hash_color, compare_colors);
/* copy incoming palette */
ccp->palette = g_new0(GdkColor, num_palette);
cc->palette = g_new0(GdkColor, num_palette);
j = 0;
@ -1501,10 +1452,10 @@ gdk_color_context_add_palette(GdkColorContext *cc,
if (erg) {
/* store in palette */
ccp->palette[j].red = r;
ccp->palette[j].green = g;
ccp->palette[j].blue = b;
ccp->palette[j].pixel = pixel[0];
cc->palette[j].red = r;
cc->palette[j].green = g;
cc->palette[j].blue = b;
cc->palette[j].pixel = pixel[0];
/* move to next slot */
@ -1515,28 +1466,28 @@ gdk_color_context_add_palette(GdkColorContext *cc,
/* resize to fit */
if (j != num_palette)
ccp->palette = g_realloc(ccp->palette, j * sizeof(GdkColor));
cc->palette = g_realloc(cc->palette, j * sizeof(GdkColor));
/* clear the hash table, we don't use it when dithering */
if (ccp->color_hash) {
g_hash_table_destroy(ccp->color_hash);
ccp->color_hash = NULL;
if (cc->color_hash) {
g_hash_table_destroy(cc->color_hash);
cc->color_hash = NULL;
}
/* store real palette size */
ccp->num_palette = j;
cc->num_palette = j;
/* switch to palette mode */
ccp->mode = GDK_CC_MODE_PALETTE;
cc->mode = GDK_CC_MODE_PALETTE;
/* sort palette */
qsort(ccp->palette, ccp->num_palette, sizeof(GdkColor), pixel_sort);
qsort(cc->palette, cc->num_palette, sizeof(GdkColor), pixel_sort);
ccp->fast_dither = NULL;
cc->fast_dither = NULL;
return j;
}
@ -1544,18 +1495,15 @@ gdk_color_context_add_palette(GdkColorContext *cc,
void
gdk_color_context_init_dither(GdkColorContext *cc)
{
GdkColorContextPrivate *ccp;
gint rr, gg, bb, err, erg, erb;
gint success = FALSE;
g_assert(cc != NULL);
ccp = (GdkColorContextPrivate *) cc;
/* now we can initialize the fast dither matrix */
if(ccp->fast_dither == NULL)
ccp->fast_dither = g_new(GdkColorContextDither, 1);
if(cc->fast_dither == NULL)
cc->fast_dither = g_new(GdkColorContextDither, 1);
/* Fill it. We ignore unsuccessful allocations, they are just mapped
* to black instead */
@ -1567,27 +1515,23 @@ gdk_color_context_init_dither(GdkColorContext *cc)
erg = (gg << 3) | (gg >> 2);
erb = (bb << 3) | (bb >> 2);
ccp->fast_dither->fast_rgb[rr][gg][bb] =
cc->fast_dither->fast_rgb[rr][gg][bb] =
gdk_color_context_get_index_from_palette(cc, &err, &erg, &erb, &success);
ccp->fast_dither->fast_err[rr][gg][bb] = err;
ccp->fast_dither->fast_erg[rr][gg][bb] = erg;
ccp->fast_dither->fast_erb[rr][gg][bb] = erb;
cc->fast_dither->fast_err[rr][gg][bb] = err;
cc->fast_dither->fast_erg[rr][gg][bb] = erg;
cc->fast_dither->fast_erb[rr][gg][bb] = erb;
}
}
void
gdk_color_context_free_dither(GdkColorContext *cc)
{
GdkColorContextPrivate *ccp;
g_assert(cc != NULL);
ccp = (GdkColorContextPrivate *) cc;
if (cc->fast_dither)
g_free(cc->fast_dither);
if (ccp->fast_dither)
g_free(ccp->fast_dither);
ccp->fast_dither = NULL;
cc->fast_dither = NULL;
}
gulong
@ -1597,7 +1541,6 @@ gdk_color_context_get_pixel_from_palette(GdkColorContext *cc,
gushort *blue,
gint *failed)
{
GdkColorContextPrivate *ccp;
gulong pixel = 0;
gint dif, dr, dg, db, j = -1;
gint mindif = 0x7fffffff;
@ -1610,21 +1553,19 @@ gdk_color_context_get_pixel_from_palette(GdkColorContext *cc,
g_assert(blue != NULL);
g_assert(failed != NULL);
ccp = (GdkColorContextPrivate *) cc;
*failed = FALSE;
for (i = 0; i < ccp->num_palette; i++) {
dr = *red - ccp->palette[i].red;
dg = *green - ccp->palette[i].green;
db = *blue - ccp->palette[i].blue;
for (i = 0; i < cc->num_palette; i++) {
dr = *red - cc->palette[i].red;
dg = *green - cc->palette[i].green;
db = *blue - cc->palette[i].blue;
dif = dr * dr + dg * dg + db * db;
if (dif < mindif) {
mindif = dif;
j = i;
pixel = ccp->palette[i].pixel;
pixel = cc->palette[i].pixel;
err = dr;
erg = dg;
erb = db;
@ -1654,7 +1595,6 @@ gdk_color_context_get_index_from_palette(GdkColorContext *cc,
gint *blue,
gint *failed)
{
GdkColorContextPrivate *ccp;
gint dif, dr, dg, db, j = -1;
gint mindif = 0x7fffffff;
gint err = 0, erg = 0, erb = 0;
@ -1666,14 +1606,12 @@ gdk_color_context_get_index_from_palette(GdkColorContext *cc,
g_assert(blue != NULL);
g_assert(failed != NULL);
ccp = (GdkColorContextPrivate *) cc;
*failed = FALSE;
for (i = 0; i < ccp->num_palette; i++) {
dr = *red - ccp->palette[i].red;
dg = *green - ccp->palette[i].green;
db = *blue - ccp->palette[i].blue;
for (i = 0; i < cc->num_palette; i++) {
dr = *red - cc->palette[i].red;
dg = *green - cc->palette[i].green;
db = *blue - cc->palette[i].blue;
dif = dr * dr + dg * dg + db * db;