// -*- 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 "screeninfo.hh"
-#include "widget.hh"
+#include "surface.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(const ScreenInfo *screen)
- : RenderControl(screen)
+TrueRenderControl::TrueRenderControl(int screen)
+ : RenderControl(screen),
+ _red_offset(0),
+ _green_offset(0),
+ _blue_offset(0)
{
printf("Initializing TrueColor RenderControl\n");
+ 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 = screen->visual()->red_mask;
- green_mask = screen->visual()->green_mask;
- blue_mask = screen->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 (! (red_mask & 1)) { _red_offset++; red_mask >>= 1; }
while (! (green_mask & 1)) { _green_offset++; green_mask >>= 1; }
- while (! (blue_mask & 1)) { _blue_offset++; blue_mask >>= 1; }
+ while (! (blue_mask & 1)) { _blue_offset++; blue_mask >>= 1; }
- // scale available colorspace to match our 256x256x256 cube
- _red_bits = 255 / red_mask;
- _green_bits = 255 / green_mask;
- _blue_bits = 255 / blue_mask;
-
- for (int i = 0; i < 256; i++) {
- _red_color_table[i] = i / _red_bits;
- _green_color_table[i] = i / _green_bits;
- _blue_color_table[i] = i / _blue_bits;
- }
+ _red_shift = _green_shift = _blue_shift = 8;
+ 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;
- break;
- case 24: // 24bpp LSB
- *dp++ = pixel;
- *dp++ = pixel >> 8;
- *dp++ = pixel >> 16;
+ // 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 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::render(Widget *wi)
+void TrueRenderControl::allocateColor(XColor *color) const
{
- assert(wi);
-
- XGCValues gcv;
- gcv.cap_style = CapProjecting;
-
- int w = 255, h = 31;
- Pixmap p = XCreatePixmap(**display, wi->window(), w, h, _screen->depth());
- XImage *im = XCreateImage(**display, _screen->visual(), _screen->depth(),
- ZPixmap, 0, NULL, w, h, 32, 0);
- //GC gc = XCreateGC(**display, _screen->rootWindow(), GCCapStyle, &gcv);
-
- // XXX + 1?
- unsigned char *data = new unsigned char[im->bytes_per_line * h];
- unsigned char *dp = data;
-
- for (int x = 0; x < w; ++x, dp += im->bits_per_pixel/8)
- renderPixel(im, dp, 0);
- for (int y = 0; y < 10; ++y)
- for (int x = 0; x < w; ++x, dp += im->bits_per_pixel/8)
- renderPixel(im, dp, _red_color_table[x] << _red_offset);
- for (int y = 0; y < 10; ++y)
- for (int x = 0; x < w; ++x, dp += im->bits_per_pixel/8)
- renderPixel(im, dp, _green_color_table[x] << _green_offset);
- for (int y = 0; y < 10; ++y)
- for (int x = 0; x < w; ++x, dp += im->bits_per_pixel/8)
- renderPixel(im, dp, _blue_color_table[x] << _blue_offset);
-
- printf("\nDone %d %d\n", im->bytes_per_line * h, dp - data);
-
- im->data = (char*) data;
-
- XPutImage(**display, p, DefaultGC(**display, _screen->screen()),
- im, 0, 0, 0, 0, w, h);
-
- //delete [] image->data;
- //image->data = NULL;
- XDestroyImage(im);
-
- XSetWindowBackgroundPixmap(**display, wi->window(), p);
- XClearWindow(**display, wi->window());
-
- XFreePixmap(**display, p);
+ const ScreenInfo *info = display->screenInfo(_screen);
+ 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;
+ }
}
}
projects / chaz / openbox / blobdiff