diff options
| author | Dana Jansens <danakj@orodu.net> | 2003-05-18 23:06:11 +0000 |
|---|---|---|
| committer | Dana Jansens <danakj@orodu.net> | 2003-05-18 23:06:11 +0000 |
| commit | a18c1697b1176c26e74267f2ac7a153a2cf2c442 (patch) | |
| tree | 04d62a0bd4d4f15fe2bbf05e8809755c552753ac /render/color.c | |
| parent | f41d06f583b0461446aeac93551a2e0931d50ac0 (diff) | |
make icons use pixel32 data, and image_draw takes pixel32 data.
client.c gets pixmap icons as a backup to netwm ones, and they are converted into pixel32 data.
Diffstat (limited to 'render/color.c')
| -rw-r--r-- | render/color.c | 135 |
1 files changed, 132 insertions, 3 deletions
diff --git a/render/color.c b/render/color.c index 3a5b6cdb..b9bafe32 100644 --- a/render/color.c +++ b/render/color.c @@ -1,5 +1,6 @@ #include <X11/Xlib.h> #include <X11/Xutil.h> +#include <string.h> #include "render.h" #include "color.h" #include "../kernel/openbox.h" @@ -82,9 +83,9 @@ void reduce_depth(pixel32 *data, XImage *im) 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_offset) - + (g << render_green_offset) - + (b << render_blue_offset); + p32[x] = (r << render_red_shift) + + (g << render_green_shift) + + (b << render_blue_shift); } data += im->width; p32 += im->width; @@ -125,6 +126,7 @@ void reduce_depth(pixel32 *data, XImage *im) g_message("your bit depth is currently unhandled\n"); } } + XColor *pickColor(int r, int g, int b) { r = (r & 0xff) >> (8-pseudo_bpc); @@ -132,3 +134,130 @@ XColor *pickColor(int r, int g, int b) 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_assert(render_visual->class != TrueColor); + for (y = 0; y < im->height; y++) { + for (x = 0; x < im->width; x++) { + XColor icolor; + int ii, r, g, b; + gulong dev, closest = 0xffffffff, close = 0; + + icolor.pixel = p8[x]; + XQueryColor(ob_display, render_colormap, &icolor); + + /* find the nearest color match */ + for (ii = 0; ii < pseudo_ncolors(); ii++) { + /* find deviations */ + r = (pseudo_colors[ii].red - icolor.red) & 0xff; + g = (pseudo_colors[ii].green - icolor.green) & 0xff; + b = (pseudo_colors[ii].blue - icolor.blue) & 0xff; + /* find a weighted absolute deviation */ + dev = (r * r) * (0xff - (icolor.red & 0xff)) + + (g * g) * (0xff - (icolor.green & 0xff)) + + (b * b) * (0xff - (icolor.blue & 0xff)); + + if (dev < closest) { + closest = dev; + close = ii; + } + } + data[x] = + (pseudo_colors[close].red & 0xff << + default_red_offset) + + (pseudo_colors[close].green & 0xff << + default_green_offset) + + (pseudo_colors[close].blue & 0xff << + default_blue_offset) + + (0xff << default_alpha_offset); + } + data += im->width; + p8 += im->bytes_per_line; + } + + break; + default: + g_message("your bit depth is currently unhandled\n"); + } +} |
