// -*- mode: C++; indent-tabs-mode: nil; c-basic-offset: 2; -*-
-#ifdef HAVE_CONFIG_H
-# include "../config.h"
-#endif // HAVE_CONFIG_H
+#include "config.h"
#include "truerendercontrol.hh"
#include "display.hh"
#include "rendertexture.hh"
extern "C" {
-#ifdef HAVE_STDLIB_H
-# include <stdlib.h>
-#endif // HAVE_STDLIB_H
-
-#include "gettext.h"
+#include "../src/gettext.h"
#define _(str) gettext(str)
}
+#include <cstdlib>
+
namespace otk {
TrueRenderControl::TrueRenderControl(int screen)
{
printf("Initializing TrueColor RenderControl\n");
- Visual *visual = display->screenInfo(_screen)->visual();
+ const ScreenInfo *info = display->screenInfo(_screen);
+ XImage *timage = XCreateImage(**display, info->visual(), info->depth(),
+ ZPixmap, 0, NULL, 1, 1, 32, 0);
+
unsigned long red_mask, green_mask, blue_mask;
// find the offsets for each color in the visual's masks
- red_mask = visual->red_mask;
- green_mask = visual->green_mask;
- blue_mask = visual->blue_mask;
+ red_mask = timage->red_mask;
+ green_mask = timage->green_mask;
+ blue_mask = timage->blue_mask;
while (! (red_mask & 1)) { _red_offset++; red_mask >>= 1; }
while (! (green_mask & 1)) { _green_offset++; green_mask >>= 1; }
while (red_mask) { red_mask >>= 1; _red_shift--; }
while (green_mask) { green_mask >>= 1; _green_shift--; }
while (blue_mask) { blue_mask >>= 1; _blue_shift--; }
+ XFree(timage);
}
TrueRenderControl::~TrueRenderControl()
{
printf("Destroying TrueColor RenderControl\n");
-
-
}
-
-static inline void renderPixel(XImage *im, unsigned char *dp,
- unsigned long pixel)
+void TrueRenderControl::reduceDepth(Surface &sf, XImage *im) const
{
- unsigned int bpp = im->bits_per_pixel + (im->byte_order == MSBFirst ? 1 : 0);
-
- switch (bpp) {
- case 8: // 8bpp
- *dp++ = pixel;
- break;
- case 16: // 16bpp LSB
- *dp++ = pixel;
- *dp++ = pixel >> 8;
- break;
- case 17: // 16bpp MSB
- *dp++ = pixel >> 8;
- *dp++ = pixel;
+ // since pixel32 is the largest possible pixel size, we can share the array
+ int r, g, b;
+ int x,y;
+ pixel32 *data = sf.pixelData();
+ pixel32 *ret = (pixel32*)malloc(im->width * im->height * 4);
+ pixel16 *p = (pixel16*) ret;
+ switch (im->bits_per_pixel) {
+ case 32:
+ if ((_red_offset != default_red_shift) ||
+ (_blue_offset != default_blue_shift) ||
+ (_green_offset != default_green_shift)) {
+ printf("cross endian conversion\n");
+ 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;
+ ret[x] = (r << _red_offset) + (g << _green_offset) +
+ (b << _blue_offset);
+ }
+ data += im->width;
+ }
+ } else {
+ memcpy(ret, data, im->width * im->height * 4);
+ }
break;
- case 24: // 24bpp LSB
- *dp++ = pixel;
- *dp++ = pixel >> 8;
- *dp++ = pixel >> 16;
- break;
- case 25: // 24bpp MSB
- *dp++ = pixel >> 16;
- *dp++ = pixel >> 8;
- *dp++ = pixel;
- break;
- case 32: // 32bpp LSB
- *dp++ = pixel;
- *dp++ = pixel >> 8;
- *dp++ = pixel >> 16;
- *dp++ = pixel >> 24;
- break;
- case 33: // 32bpp MSB
- *dp++ = pixel >> 24;
- *dp++ = pixel >> 16;
- *dp++ = pixel >> 8;
- *dp++ = pixel;
+ 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 >> _red_shift;
+ g = (data[x] >> default_green_shift) & 0xFF;
+ g = g >> _green_shift;
+ b = (data[x] >> default_blue_shift) & 0xFF;
+ b = b >> _blue_shift;
+ p[x] = (r << _red_offset) + (g << _green_offset) + (b << _blue_offset);
+ }
+ data += im->width;
+ p += im->bytes_per_line/2;
+ }
break;
default:
- assert(false); // wtf?
+ printf("your bit depth is currently unhandled\n");
}
+ im->data = (char*)ret;
}
-void TrueRenderControl::drawBackground(Surface& sf,
- const RenderTexture &texture) const
+void TrueRenderControl::allocateColor(XColor *color) const
{
- assert(sf._screen == _screen);
-
- int w = sf.width(), h = sf.height();
-
const ScreenInfo *info = display->screenInfo(_screen);
- XImage *im = XCreateImage(**display, info->visual(), info->depth(),
- ZPixmap, 0, NULL, w, h, 32, 0);
-
- unsigned char *data = new unsigned char[im->bytes_per_line * h];
- unsigned char *dp = data;
- unsigned int bytes_per_pixel = im->bits_per_pixel/8;
-
- for (int y = 0; y < h/3; ++y)
- for (int x = 0; x < w; ++x, dp += bytes_per_pixel)
- renderPixel(im, dp, (255*x/w) >> _red_shift << _red_offset);
- for (int y = 0; y < h/3; ++y)
- for (int x = 0; x < w; ++x, dp += bytes_per_pixel)
- renderPixel(im, dp, (255*x/w) >> _green_shift << _green_offset);
- for (int y = 0; y < h/3; ++y)
- for (int x = 0; x < w; ++x, dp += bytes_per_pixel)
- renderPixel(im, dp, (255*x/w) >> _blue_shift << _blue_offset);
-
- im->data = (char*) data;
-
-// sf.setPixmap(im);
- sf.setPixmap(texture.color());
-// sf.setPixmap(RenderColor(_screen, 0xff, 0xff, 0));
+ if (!XAllocColor(**display, info->colormap(), color)) {
+ fprintf(stderr, "TrueRenderControl: color alloc error: rgb:%x/%x/%x\n",
+ color->red & 0xff, color->green & 0xff, color->blue & 0xff);
+ color->pixel = 0;
+ }
+}
- delete [] im->data;
- im->data = NULL;
- XDestroyImage(im);}
}
projects / chaz / openbox / blobdiff