#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 renderPixel(XImage *im, unsigned char *dp,
+ unsigned long pixel)
+{
+ 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;
+ 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;
+ break;
+ default:
+ assert(false); // wtf?
+ }
+}
+
+void TrueRenderControl::drawGradientBackground(
+ Surface &sf, const RenderTexture &texture) const
+{
+ int w = sf.width(), h = sf.height(), off, x, y;
+
+ 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;
+//XXX: move this to seperate vgrad function
+ 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 (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 (x = 0; x < w; ++x, dp ++)
+ *dp = current;
+ }
+//XXX: end of vgrad
+
+ if (texture.relief() == RenderTexture::Flat && texture.border()) {
+ r = texture.borderColor().red();
+ g = texture.borderColor().green();
+ b = texture.borderColor().blue();
+ current = (r << 16)
+ + (g << 8)
+ + b;
+ for (off = 0, x = 0; x < w; ++x, off++) {
+ *(data + off) = current;
+ *(data + off + ((h-1) * w)) = current;
+ }
+ for (off = 0, x = 0; x < h; ++x, off++) {
+ *(data + (off * w)) = current;
+ *(data + (off * w) + w - 1) = current;
+ }
+ }
+
+ if (texture.relief() != RenderTexture::Flat) {
+ if (texture.bevel() == RenderTexture::Bevel1) {
+ for (off = 1, x = 1; x < w - 1; ++x, off++)
+ highlight(data + off,
+ data + off + (h-1) * w,
+ texture.relief()==RenderTexture::Raised);
+ for (off = 0, x = 0; x < h; ++x, off++)
+ highlight(data + off * w,
+ data + off * w + w - 1,
+ texture.relief()==RenderTexture::Raised);
+ }
+
+ if (texture.bevel() == RenderTexture::Bevel2) {
+ for (off = 2, x = 2; x < w - 2; ++x, off++)
+ highlight(data + off + w,
+ data + off + (h-2) * w,
+ texture.relief()==RenderTexture::Raised);
+ for (off = 1, x = 1; x < h-1; ++x, off++)
+ highlight(data + off * w + 1,
+ data + off * w + w - 2,
+ texture.relief()==RenderTexture::Raised);
+ }
+ }
+
+//XXX: any dithering should be done now
+ im->data = (char*) data;
+
+ sf.setPixmap(im);
+
+ delete [] im->data;
+ im->data = NULL;
+ XDestroyImage(im);
+}
+
+void TrueRenderControl::highlight(pixel32 *x, pixel32 *y, bool raised) const
+{
+ int r, g, b;
+
+ pixel32 *up, *down;
+ if (raised) {
+ up = x;
+ down = y;
+ } else {
+ up = y;
+ down = x;
+ }
+ r = (*up >> 16) & 0xFF;
+ r += r >> 1;
+ g = (*up >> 8) & 0xFF;
+ g += g >> 1;
+ b = *up & 0xFF;
+ b += b >> 1;
+ if (r > 255) r = 255;
+ if (g > 255) r = 255;
+ if (b > 255) r = 255;
+ *up = (r << 16) + (g << 8) + b;
+
+ r = (*down >> 16) & 0xFF;
+ r = (r >> 1) + (r >> 2);
+ g = (*down >> 8) & 0xFF;
+ g = (g >> 1) + (g >> 2);
+ b = *down & 0xFF;
+ b = (b >> 1) + (b >> 2);
+ *down = (r << 16) + (g << 8) + b;
+}
+void TrueRenderControl::drawBackground(Surface& sf,
+ const RenderTexture &texture) const
+{
+ assert(_screen == sf._screen);
+ assert(_screen == texture.color().screen());
+
+ if (texture.gradient() == RenderTexture::Solid) {
+ drawSolidBackground(sf, texture);
+ } else {
+ drawGradientBackground(sf, texture);
+ }
+}
+
}
projects / chaz / openbox / blobdiff