#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)
+TrueRenderControl::TrueRenderControl(int screen)
: RenderControl(screen),
_red_offset(0),
_green_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; }
+ 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--; }
}
TrueRenderControl::~TrueRenderControl()
}
+
static inline void renderPixel(XImage *im, unsigned char *dp,
unsigned long pixel)
{
}
}
-void TrueRenderControl::drawBackground(Surface *sf,
- const RenderTexture &texture) const
+void TrueRenderControl::drawGradientBackground(
+ Surface &sf, const RenderTexture &texture) const
{
- assert(sf);
-
- int w = sf->width(), h = sf->height();
-
- XImage *im = XCreateImage(**display, _screen->visual(), _screen->depth(),
- ZPixmap, 0, NULL, w, h, 32, 0);
-
- unsigned char *data = new unsigned char[im->bytes_per_line * h];
- unsigned char *dp = data;
+ int w = sf.width(), h = sf.height();
- for (int y = 0; y < h/3; ++y)
- for (int x = 0; x < w; ++x, dp += im->bits_per_pixel/8)
- renderPixel(im, dp, _red_color_table[255*x/w] << _red_offset);
- for (int y = 0; y < h/3; ++y)
- for (int x = 0; x < w; ++x, dp += im->bits_per_pixel/8)
- renderPixel(im, dp, _green_color_table[255*x/w] << _green_offset);
- for (int y = 0; y < h/3; ++y)
- for (int x = 0; x < w; ++x, dp += im->bits_per_pixel/8)
- renderPixel(im, dp, _blue_color_table[255*x/w] << _blue_offset);
+ 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);
+}
- printf("\nDone %d %d\n", im->bytes_per_line * h, dp - data);
+void TrueRenderControl::drawBackground(Surface& sf,
+ const RenderTexture &texture) const
+{
+ assert(_screen == sf._screen);
+ assert(_screen == texture.color().screen());
- im->data = (char*) data;
-
- if (!sf->_pm)
- sf->_pm = XCreatePixmap(**display, _screen->rootWindow(), w, h,
- _screen->depth());
- XPutImage(**display, sf->_pm, DefaultGC(**display, _screen->screen()),
- im, 0, 0, 0, 0, w, h);
-
- //delete [] image->data;
- //image->data = NULL;
- XDestroyImage(im);
+ if (texture.gradient() == RenderTexture::Solid) {
+ drawSolidBackground(sf, texture);
+ } else {
+ drawGradientBackground(sf, texture);
+ }
}
}