X-Git-Url: https://git.dogcows.com/gitweb?a=blobdiff_plain;f=render%2Fimage.c;h=2ec710438cd32632cb8f09aabd97c7404373b1f9;hb=b543af60b3b625f978bec0eacc7da31cd9d347f6;hp=7b58712bde9bd3a890249cc440d00ef5ed8f40d7;hpb=b9ecd5bf25256ba3aadaddd8491afc0cb85891dc;p=chaz%2Fopenbox diff --git a/render/image.c b/render/image.c index 7b58712b..2ec71043 100644 --- a/render/image.c +++ b/render/image.c @@ -1,19 +1,15 @@ -#include -#include "../kernel/geom.h" +#include "geom.h" #include "image.h" +#include "color.h" -void image_draw(pixel32 *target, TextureRGBA *rgba, Rect *position, - Rect *surarea) -{ - gulong *draw = rgba->data; - guint c, i, e, t, sfw, sfh; - sfw = position->width; - sfh = position->height; +#include - /* it would be nice if this worked, but this function is well broken in - these circumstances. */ - g_assert(position->width == surarea->width && - position->height == surarea->height); +void RrImageDraw(RrPixel32 *target, RrTextureRGBA *rgba, RrRect *area) +{ + RrPixel32 *draw = rgba->data; + gint c, i, e, t, sfw, sfh; + sfw = area->width; + sfh = area->height; g_assert(rgba->data != NULL); @@ -28,7 +24,7 @@ void image_draw(pixel32 *target, TextureRGBA *rgba, Rect *position, /* scale it and cache it */ if (rgba->cache != NULL) g_free(rgba->cache); - rgba->cache = g_new(unsigned long, sfw * sfh); + rgba->cache = g_new(RrPixel32, sfw * sfh); rgba->cwidth = sfw; rgba->cheight = sfh; for (i = 0, c = 0, e = sfw*sfh; i < e; ++i) { @@ -47,31 +43,31 @@ void image_draw(pixel32 *target, TextureRGBA *rgba, Rect *position, draw = rgba->cache; /* apply the alpha channel */ - for (i = 0, c = 0, t = position->x, e = sfw*sfh; i < e; ++i, ++t) { + for (i = 0, c = 0, t = area->x, e = sfw*sfh; i < e; ++i, ++t) { guchar alpha, r, g, b, bgr, bgg, bgb; - alpha = draw[i] >> 24; - r = draw[i] >> 16; - g = draw[i] >> 8; - b = draw[i]; + alpha = draw[i] >> RrDefaultAlphaOffset; + r = draw[i] >> RrDefaultRedOffset; + g = draw[i] >> RrDefaultGreenOffset; + b = draw[i] >> RrDefaultBlueOffset; if (c >= sfw) { c = 0; - t += surarea->width - sfw; + t += area->width - sfw; } /* background color */ - bgr = target[t] >> default_red_offset; - bgg = target[t] >> default_green_offset; - bgb = target[t] >> default_blue_offset; + bgr = target[t] >> RrDefaultRedOffset; + bgg = target[t] >> RrDefaultGreenOffset; + bgb = target[t] >> RrDefaultBlueOffset; r = bgr + (((r - bgr) * alpha) >> 8); g = bgg + (((g - bgg) * alpha) >> 8); b = bgb + (((b - bgb) * alpha) >> 8); - target[t] = (r << default_red_offset) - | (g << default_green_offset) - | (b << default_blue_offset); + target[t] = (r << RrDefaultRedOffset) + | (g << RrDefaultGreenOffset) + | (b << RrDefaultBlueOffset); } } }