#include "truerendercontrol.hh"
#include "display.hh"
#include "screeninfo.hh"
+#include "surface.hh"
+#include "rendertexture.hh"
extern "C" {
#ifdef HAVE_STDLIB_H
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");
+ Visual *visual = display->screenInfo(_screen)->visual();
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 = visual->red_mask;
+ green_mask = visual->green_mask;
+ blue_mask = visual->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; }
-
- // use the mask to determine the number of bits for each shade of color
- // so, best case, red_mask == 0xff (255), with each bit as a different
- // shade!
- _red_bits = 255 / red_mask;
- _green_bits = 255 / green_mask;
- _blue_bits = 255 / blue_mask;
-
- // compute color tables, based on the number of bits for each shade
- 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;
- }
+ while (! (blue_mask & 1)) { _blue_offset++; blue_mask >>= 1; }
+
+ _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--; }
}
TrueRenderControl::~TrueRenderControl()
}
-static inline
-void assignPixel(unsigned int bit_depth, unsigned char **data, unsigned long pixel) {
- unsigned char *pixel_data = *data;
- switch (bit_depth) {
- case 8: // 8bpp
- *pixel_data++ = pixel;
- break;
-
- case 16: // 16bpp LSB
- *pixel_data++ = pixel;
- *pixel_data++ = pixel >> 8;
- break;
- case 17: // 16bpp MSB
- *pixel_data++ = pixel >> 8;
- *pixel_data++ = pixel;
- break;
-
- case 24: // 24bpp LSB
- *pixel_data++ = pixel;
- *pixel_data++ = pixel >> 8;
- *pixel_data++ = pixel >> 16;
- break;
-
- case 25: // 24bpp MSB
- *pixel_data++ = pixel >> 16;
- *pixel_data++ = pixel >> 8;
- *pixel_data++ = pixel;
- break;
-
- case 32: // 32bpp LSB
- *pixel_data++ = pixel;
- *pixel_data++ = pixel >> 8;
- *pixel_data++ = pixel >> 16;
- *pixel_data++ = pixel >> 24;
- break;
-
- case 33: // 32bpp MSB
- *pixel_data++ = pixel >> 24;
- *pixel_data++ = pixel >> 16;
- *pixel_data++ = pixel >> 8;
- *pixel_data++ = pixel;
- break;
- }
- *data = pixel_data; // assign back so we don't lose our place
-}
-
-void renderPixel(XImage *im, unsigned char *dp, unsigned long pixel)
+static inline void renderPixel(XImage *im, unsigned char *dp,
+ unsigned long pixel)
{
- unsigned int bpp = im->bits_per_pixel + (im->byte_order == MSBFirst) ? 1 : 0;
+ unsigned int bpp = im->bits_per_pixel + (im->byte_order == MSBFirst ? 1 : 0);
switch (bpp) {
case 8: // 8bpp
*dp++ = pixel >> 8;
*dp++ = pixel;
break;
+ default:
+ assert(false); // wtf?
}
}
-void TrueRenderControl::render(::Window win)
+void TrueRenderControl::drawGradientBackground(
+ Surface &sf, const RenderTexture &texture) const
{
- XGCValues gcv;
- gcv.cap_style = CapProjecting;
-
- int w = 255, h = 32;
- Pixmap p = XCreatePixmap(**display, win, 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 + 1)];
- 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);
- for (int x = 0; x < w; ++x, dp += im->bits_per_pixel/8)
- renderPixel(im, dp, 0);
-
- printf("\nDone\n");
-
- im->data = (char*) data;
-
- XPutImage(**display, p, DefaultGC(**display, _screen->screen()),
- im, 0, 0, 0, 0, w, h);
+ int w = sf.width(), h = sf.height();
- //delete [] image->data;
- //image->data = NULL;
- XDestroyImage(im);
+ const ScreenInfo *info = display->screenInfo(_screen);
+ XImage *im = XCreateImage(**display, info->visual(), info->depth(),
+ ZPixmap, 0, NULL, w, h, 32, 0);
+
+ pixel32 *data = new pixel32[sf.height()*sf.width()];
+ pixel32 current;
+ pixel32 *dp = data;
+ float dr, dg, db;
+ unsigned int r,g,b;
+
+ dr = (float)(texture.secondary_color().red() - texture.color().red());
+ dr/= (float)sf.height();
+
+ dg = (float)(texture.secondary_color().green() - texture.color().green());
+ dg/= (float)sf.height();
+
+ db = (float)(texture.secondary_color().blue() - texture.color().blue());
+ db/= (float)sf.height();
+
+ for (int y = 0; y < h; ++y) {
+ r = texture.color().red() + (int)(dr * y);
+ g = texture.color().green() + (int)(dg * y);
+ b = texture.color().blue() + (int)(db * y);
+ current = (r << 16)
+ + (g << 8)
+ + b;
+ for (int x = 0; x < w; ++x, dp ++)
+ *dp = current;
+ }
+
+ im->data = (char*) data;
+
+ sf.setPixmap(im);
+
+ delete [] im->data;
+ im->data = NULL;
+ XDestroyImage(im);
+}
- XSetWindowBackgroundPixmap(**display, win, p);
- XClearWindow(**display, win);
+void TrueRenderControl::drawBackground(Surface& sf,
+ const RenderTexture &texture) const
+{
+ assert(_screen == sf._screen);
+ assert(_screen == texture.color().screen());
- XFreePixmap(**display, p);
+ if (texture.gradient() == RenderTexture::Solid) {
+ drawSolidBackground(sf, texture);
+ } else {
+ drawGradientBackground(sf, texture);
+ }
}
}
projects / chaz / openbox / blobdiff