#include <X11/Xlib.h>
#include <X11/Xutil.h>
+#include <string.h>
#include "render.h"
#include "color.h"
#include "../kernel/openbox.h"
+
+XColor *pseudo_colors;
+int pseudo_bpc;
+
void color_allocate_gc(color_rgb *in)
{
XGCValues gcv;
XColor xcol;
g_assert(colorname != NULL);
- // get rgb values from colorname
+ /* get rgb values from colorname */
xcol.red = 0;
xcol.green = 0;
return NULL;
}
-//XXX same color could be pointed to twice, this might have to be a refcount
+/*XXX same color could be pointed to twice, this might have to be a refcount*/
void color_free(color_rgb *c)
{
- if (c->gc != None)
- XFreeGC(ob_display, c->gc);
- free(c);
+ if (c != NULL) {
+ if (c->gc != None)
+ XFreeGC(ob_display, c->gc);
+ g_free(c);
+ }
}
void reduce_depth(pixel32 *data, XImage *im)
{
- // since pixel32 is the largest possible pixel size, we can share the array
- int r, g, b;
- int x,y;
- pixel16 *p = (pixel16*) data;
- switch (im->bits_per_pixel) {
- case 32:
- if ((render_red_offset != default_red_shift) ||
- (render_blue_offset != default_blue_shift) ||
- (render_green_offset != default_green_shift)) {
- for (y = 0; y < im->height; y++) {
- for (x = 0; x < im->width; x++) {
- r = (data[x] >> default_red_shift) & 0xFF;
- g = (data[x] >> default_green_shift) & 0xFF;
- b = (data[x] >> default_blue_shift) & 0xFF;
- data[x] = (r << render_red_offset) + (g << render_green_offset) +
- (b << render_blue_offset);
+ int r, g, b;
+ int x,y;
+ pixel32 *p32 = (pixel32 *) im->data;
+ pixel16 *p16 = (pixel16 *) im->data;
+ unsigned char *p8 = (unsigned char *)im->data;
+ switch (im->bits_per_pixel) {
+ case 32:
+ if ((render_red_offset != default_red_offset) ||
+ (render_blue_offset != default_blue_offset) ||
+ (render_green_offset != default_green_offset)) {
+ for (y = 0; y < im->height; y++) {
+ for (x = 0; x < im->width; x++) {
+ r = (data[x] >> default_red_offset) & 0xFF;
+ g = (data[x] >> default_green_offset) & 0xFF;
+ b = (data[x] >> default_blue_offset) & 0xFF;
+ p32[x] = (r << render_red_shift)
+ + (g << render_green_shift)
+ + (b << render_blue_shift);
+ }
+ data += im->width;
+ p32 += im->width;
+ }
+ } else im->data = (char*) data;
+ break;
+ case 16:
+ for (y = 0; y < im->height; y++) {
+ for (x = 0; x < im->width; x++) {
+ r = (data[x] >> default_red_offset) & 0xFF;
+ r = r >> render_red_shift;
+ g = (data[x] >> default_green_offset) & 0xFF;
+ g = g >> render_green_shift;
+ b = (data[x] >> default_blue_offset) & 0xFF;
+ b = b >> render_blue_shift;
+ p16[x] = (r << render_red_offset)
+ + (g << render_green_offset)
+ + (b << render_blue_offset);
+ }
+ data += im->width;
+ p16 += im->bytes_per_line/2;
+ }
+ break;
+ case 8:
+ g_assert(render_visual->class != TrueColor);
+ for (y = 0; y < im->height; y++) {
+ for (x = 0; x < im->width; x++) {
+ p8[x] = pickColor(data[x] >> default_red_offset,
+ data[x] >> default_green_offset,
+ data[x] >> default_blue_offset)->pixel;
}
data += im->width;
- }
- }
+ p8 += im->bytes_per_line;
+ }
+
break;
- case 16:
- for (y = 0; y < im->height; y++) {
- for (x = 0; x < im->width; x++) {
- r = (data[x] >> default_red_shift) & 0xFF;
- r = r >> render_red_shift;
- g = (data[x] >> default_green_shift) & 0xFF;
- g = g >> render_green_shift;
- b = (data[x] >> default_blue_shift) & 0xFF;
- b = b >> render_blue_shift;
- p[x] = (r << render_red_offset)
- + (g << render_green_offset)
- + (b << render_blue_offset);
- }
- data += im->width;
- p += im->bytes_per_line/2;
+ default:
+ g_message("your bit depth is currently unhandled\n");
+ }
+}
+
+XColor *pickColor(int r, int g, int b)
+{
+ r = (r & 0xff) >> (8-pseudo_bpc);
+ g = (g & 0xff) >> (8-pseudo_bpc);
+ b = (b & 0xff) >> (8-pseudo_bpc);
+ return &pseudo_colors[(r << (2*pseudo_bpc)) + (g << (1*pseudo_bpc)) + b];
+}
+
+static void swap_byte_order(XImage *im)
+{
+ int x, y, di;
+
+ g_message("SWAPPING BYTE ORDER");
+
+ di = 0;
+ for (y = 0; y < im->height; ++y) {
+ for (x = 0; x < im->height; ++x) {
+ char *c = &im->data[di + x * im->bits_per_pixel / 8];
+ char t;
+
+ switch (im->bits_per_pixel) {
+ case 32:
+ t = c[2];
+ c[2] = c[3];
+ c[3] = t;
+ case 16:
+ t = c[0];
+ c[0] = c[1];
+ c[1] = t;
+ case 8:
+ break;
+ default:
+ g_message("your bit depth is currently unhandled\n");
+ }
+ }
+ di += im->bytes_per_line;
+ }
+
+ if (im->byte_order == LSBFirst)
+ im->byte_order = MSBFirst;
+ else
+ im->byte_order = LSBFirst;
+}
+
+void increase_depth(pixel32 *data, XImage *im)
+{
+ int r, g, b;
+ int x,y;
+ pixel32 *p32 = (pixel32 *) im->data;
+ pixel16 *p16 = (pixel16 *) im->data;
+ unsigned char *p8 = (unsigned char *)im->data;
+
+ if (im->byte_order != render_endian)
+ swap_byte_order(im);
+
+ switch (im->bits_per_pixel) {
+ case 32:
+ for (y = 0; y < im->height; y++) {
+ for (x = 0; x < im->width; x++) {
+ r = (p32[x] >> render_red_offset) & 0xff;
+ g = (p32[x] >> render_green_offset) & 0xff;
+ b = (p32[x] >> render_blue_offset) & 0xff;
+ data[x] = (r << default_red_offset)
+ + (g << default_green_offset)
+ + (b << default_blue_offset)
+ + (0xff << default_alpha_offset);
+ }
+ data += im->width;
+ p32 += im->bytes_per_line/4;
+ }
+ break;
+ case 16:
+ for (y = 0; y < im->height; y++) {
+ for (x = 0; x < im->width; x++) {
+ r = (p16[x] & render_red_mask) >> render_red_offset <<
+ render_red_shift;
+ g = (p16[x] & render_green_mask) >> render_green_offset <<
+ render_green_shift;
+ b = (p16[x] & render_blue_mask) >> render_blue_offset <<
+ render_blue_shift;
+ data[x] = (r << default_red_offset)
+ + (g << default_green_offset)
+ + (b << default_blue_offset)
+ + (0xff << default_alpha_offset);
+ }
+ data += im->width;
+ p16 += im->bytes_per_line/2;
+ }
+ break;
+ case 8:
+ g_message("this image bit depth is currently unhandled\n");
+ break;
+ case 1:
+ for (y = 0; y < im->height; y++) {
+ for (x = 0; x < im->width; x++) {
+ if (!(((p8[x / 8]) >> (x % 8)) & 0x1))
+ data[x] = 0xff << default_alpha_offset; /* black */
+ else
+ data[x] = 0xffffffff; /* white */
+ }
+ data += im->width;
+ p8 += im->bytes_per_line;
+ }
+ break;
+ default:
+ g_message("this image bit depth is currently unhandled\n");
}
- break;
- default:
- g_message("your bit depth is currently unhandled\n");
- }
}
projects / chaz / openbox / blobdiff