X-Git-Url: https://git.dogcows.com/gitweb?a=blobdiff_plain;f=render%2Fcolor.c;h=145550f34c0314e0668720bfefed89f93441d7c7;hb=a4a0cb78294bb1809b836ea1e86e9d7294bb2929;hp=0cf7b226b2529d5fe4705ba455aa27199ce17130;hpb=fdabd3daf9c631f53408d82c9168705dc6a2832a;p=chaz%2Fopenbox diff --git a/render/color.c b/render/color.c index 0cf7b226..145550f3 100644 --- a/render/color.c +++ b/render/color.c @@ -1,60 +1,243 @@ #include #include +#include #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; gcv.foreground = in->pixel; gcv.cap_style = CapProjecting; - in->gc = XCreateGC(ob_display, ob_root, GCForeground | GCCapStyle, &gcv); + in->gc = XCreateGC(RrDisplay(in->inst), + RrRootWindow(in->inst), + GCForeground | GCCapStyle, &gcv); } -color_rgb *color_parse(char *colorname) +color_rgb *RrColorParse(const RrInstance *inst, gchar *colorname) { XColor xcol; g_assert(colorname != NULL); - // get rgb values from colorname + /* get rgb values from colorname */ xcol.red = 0; xcol.green = 0; xcol.blue = 0; xcol.pixel = 0; - if (!XParseColor(ob_display, render_colormap, colorname, &xcol)) { + if (!XParseColor(RrDisplay(inst), RrColormap(inst), colorname, &xcol)) { g_warning("unable to parse color '%s'", colorname); return NULL; } - return color_new(xcol.red >> 8, xcol.green >> 8, xcol.blue >> 8); + return RrColorNew(inst, xcol.red >> 8, xcol.green >> 8, xcol.blue >> 8); } -color_rgb *color_new(int r, int g, int b) +color_rgb *RrColorNew(const RrInstance *inst, gint r, gint g, gint b) { -/* this should be replaced with something far cooler */ - color_rgb *out; + /* this should be replaced with something far cooler */ + color_rgb *out = NULL; XColor xcol; xcol.red = (r << 8) | r; xcol.green = (g << 8) | g; xcol.blue = (b << 8) | b; - if (XAllocColor(ob_display, render_colormap, &xcol)) { + if (XAllocColor(RrDisplay(inst), RrColormap(inst), &xcol)) { out = g_new(color_rgb, 1); + out->inst = inst; out->r = xcol.red >> 8; out->g = xcol.green >> 8; out->b = xcol.blue >> 8; out->gc = None; out->pixel = xcol.pixel; - return out; } - return NULL; + return out; } -//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) +void RrColorFree(color_rgb *c) { - if (c->gc != None) - XFreeGC(ob_display, c->gc); - free(c); + if (c) { + if (c->gc) XFreeGC(RrDisplay(c->inst), c->gc); + g_free(c); + } +} + +void reduce_depth(const RrInstance *inst, 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; + switch (im->bits_per_pixel) { + case 32: + if ((RrRedOffset(inst) != default_red_offset) || + (RrBlueOffset(inst) != default_blue_offset) || + (RrGreenOffset(inst) != 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 << RrRedShift(inst)) + + (g << RrGreenShift(inst)) + + (b << RrBlueShift(inst)); + } + 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 >> RrRedShift(inst); + g = (data[x] >> default_green_offset) & 0xFF; + g = g >> RrGreenShift(inst); + b = (data[x] >> default_blue_offset) & 0xFF; + b = b >> RrBlueShift(inst); + p16[x] = (r << RrRedOffset(inst)) + + (g << RrGreenOffset(inst)) + + (b << RrBlueOffset(inst)); + } + data += im->width; + p16 += im->bytes_per_line/2; + } + break; + case 8: + g_assert(RrVisual(inst)->class != TrueColor); + for (y = 0; y < im->height; y++) { + for (x = 0; x < im->width; x++) { + p8[x] = pickColor(inst, + 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; + default: + g_message("your bit depth is currently unhandled\n"); + } +} + +XColor *pickColor(const RrInstance *inst, gint r, gint g, gint b) +{ + r = (r & 0xff) >> (8-pseudo_bpc); + g = (g & 0xff) >> (8-pseudo_bpc); + b = (b & 0xff) >> (8-pseudo_bpc); + return &RrPseudoColors(inst)[(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(const RrInstance *inst, 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] >> RrRedOffset(inst)) & 0xff; + g = (p32[x] >> RrGreenOffset(inst)) & 0xff; + b = (p32[x] >> RrBlueOffset(inst)) & 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] & RrRedMask(inst)) >> + RrRedOffset(inst) << + RrRedShift(inst); + g = (p16[x] & RrGreenMask(inst)) >> + RrGreenOffset(inst) << + RrGreenShift(inst); + b = (p16[x] & RrBlueMask(inst)) >> + RrBlueOffset(inst) << + RrBlueShift(inst); + 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"); + } }