}
}
+void RenderControl::drawMask(Surface &sf, const RenderColor &color,
+ const PixmapMask &mask) const
+{
+ assert(_screen == sf._screen);
+ assert(_screen == color.screen());
+
+ if (mask.mask == None) return; // no mask given
+
+ int width = sf.size().width(), height = sf.size().height();
+
+ // set the clip region
+ int x = (width - mask.w) / 2, y = (height - mask.h) / 2;
+ XSetClipMask(**display, color.gc(), mask.mask);
+ XSetClipOrigin(**display, color.gc(), x, y);
+
+ // fill in the clipped region
+ XFillRectangle(**display, sf.pixmap(), color.gc(), x, y,
+ x + mask.w, y + mask.h);
+
+ // unset the clip region
+ XSetClipMask(**display, color.gc(), None);
+ XSetClipOrigin(**display, color.gc(), 0, 0);
+}
+
+void RenderControl::drawGradientBackground(
+ Surface &sf, const RenderTexture &texture) const
+{
+ unsigned int r,g,b;
+ int w = sf.size().width(), h = sf.size().height();
+ int off, x;
+
+ const ScreenInfo *info = display->screenInfo(_screen);
+ XImage *im = XCreateImage(**display, info->visual(), info->depth(),
+ ZPixmap, 0, NULL, w, h, 32, 0);
+ im->byte_order = endian;
+
+ switch (texture.gradient()) {
+ case RenderTexture::Vertical:
+ verticalGradient(sf, texture);
+ break;
+ case RenderTexture::Diagonal:
+ diagonalGradient(sf, texture);
+ break;
+ case RenderTexture::CrossDiagonal:
+ crossDiagonalGradient(sf, texture);
+ break;
+ default:
+ printf("unhandled gradient\n");
+ }
+
+ pixel32 *data = sf.pixelData();
+ pixel32 current;
+
+ if (texture.relief() == RenderTexture::Flat && texture.border()) {
+ r = texture.borderColor().red();
+ g = texture.borderColor().green();
+ b = texture.borderColor().blue();
+ current = (r << default_red_shift)
+ + (g << default_green_shift)
+ + (b << default_blue_shift);
+ 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);
+ }
+ }
+
+ reduceDepth(sf, im);
+
+ im->data = (char*) data;
+
+ sf.setPixmap(im);
+
+ im->data = NULL;
+ XDestroyImage(im);
+}
+
+void RenderControl::verticalGradient(Surface &sf,
+ const RenderTexture &texture) const
+{
+ pixel32 *data = sf.pixelData();
+ pixel32 current;
+ float dr, dg, db;
+ unsigned int r,g,b;
+ int w = sf.size().width(), h = sf.size().height();
+
+ dr = (float)(texture.secondary_color().red() - texture.color().red());
+ dr/= (float)h;
+
+ dg = (float)(texture.secondary_color().green() - texture.color().green());
+ dg/= (float)h;
+
+ db = (float)(texture.secondary_color().blue() - texture.color().blue());
+ db/= (float)h;
+
+ 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 << default_red_shift)
+ + (g << default_green_shift)
+ + (b << default_blue_shift);
+ for (int x = 0; x < w; ++x, ++data)
+ *data = current;
+ }
+}
+
+void RenderControl::diagonalGradient(Surface &sf,
+ const RenderTexture &texture) const
+{
+ pixel32 *data = sf.pixelData();
+ pixel32 current;
+ float drx, dgx, dbx, dry, dgy, dby;
+ unsigned int r,g,b;
+ int w = sf.size().width(), h = sf.size().height();
+
+ for (int y = 0; y < h; ++y) {
+ drx = (float)(texture.secondary_color().red() - texture.color().red());
+ dry = drx/(float)h;
+ drx/= (float)w;
+
+ dgx = (float)(texture.secondary_color().green() - texture.color().green());
+ dgy = dgx/(float)h;
+ dgx/= (float)w;
+
+ dbx = (float)(texture.secondary_color().blue() - texture.color().blue());
+ dby = dbx/(float)h;
+ dbx/= (float)w;
+ for (int x = 0; x < w; ++x, ++data) {
+ r = texture.color().red() + ((int)(drx * x) + (int)(dry * y))/2;
+ g = texture.color().green() + ((int)(dgx * x) + (int)(dgy * y))/2;
+ b = texture.color().blue() + ((int)(dbx * x) + (int)(dby * y))/2;
+ current = (r << default_red_shift)
+ + (g << default_green_shift)
+ + (b << default_blue_shift);
+ *data = current;
+ }
+ }
+}
+
+void RenderControl::crossDiagonalGradient(
+ Surface &sf, const RenderTexture &texture) const
+{
+ pixel32 *data = sf.pixelData();
+ pixel32 current;
+ float drx, dgx, dbx, dry, dgy, dby;
+ unsigned int r,g,b;
+ int w = sf.size().width(), h = sf.size().height();
+
+ for (int y = 0; y < h; ++y) {
+ drx = (float)(texture.secondary_color().red() - texture.color().red());
+ dry = drx/(float)h;
+ drx/= (float)w;
+
+ dgx = (float)(texture.secondary_color().green() - texture.color().green());
+ dgy = dgx/(float)h;
+ dgx/= (float)w;
+
+ dbx = (float)(texture.secondary_color().blue() - texture.color().blue());
+ dby = dbx/(float)h;
+ dbx/= (float)w;
+ for (int x = w; x > 0; --x, ++data) {
+ r = texture.color().red() + ((int)(drx * (x-1)) + (int)(dry * y))/2;
+ g = texture.color().green() + ((int)(dgx * (x-1)) + (int)(dgy * y))/2;
+ b = texture.color().blue() + ((int)(dbx * (x-1)) + (int)(dby * y))/2;
+ current = (r << default_red_shift)
+ + (g << default_green_shift)
+ + (b << default_blue_shift);
+ *data = current;
+ }
+ }
+}
+
+void RenderControl::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 >> default_red_shift) & 0xFF;
+ r += r >> 1;
+ g = (*up >> default_green_shift) & 0xFF;
+ g += g >> 1;
+ b = (*up >> default_blue_shift) & 0xFF;
+ b += b >> 1;
+ if (r > 255) r = 255;
+ if (g > 255) g = 255;
+ if (b > 255) b = 255;
+ *up = (r << default_red_shift) + (g << default_green_shift)
+ + (b << default_blue_shift);
+
+ r = (*down >> default_red_shift) & 0xFF;
+ r = (r >> 1) + (r >> 2);
+ g = (*down >> default_green_shift) & 0xFF;
+ g = (g >> 1) + (g >> 2);
+ b = (*down >> default_blue_shift) & 0xFF;
+ b = (b >> 1) + (b >> 2);
+ *down = (r << default_red_shift) + (g << default_green_shift)
+ + (b << default_blue_shift);
+}
+
+void RenderControl::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);
+}
+
+
+void RenderControl::drawImage(Surface &sf, int w, int h,
+ unsigned long *data) const
+{
+ pixel32 *bg = sf.pixelData();
+ int startx, x, y, c;
+ unsigned int i, e;
+ x = (sf.size().width() - w) / 2;
+ y = (sf.size().height() - h) / 2;
+
+ if (x < 0) x = 0;
+ if (y < 0) y = 0;
+
+ // XX SCALING!@!&*(@! to make it fit on the surface
+
+ startx = x;
+
+ for (i = 0, c = 0, e = w*h; i < e; ++i) {
+ unsigned char alpha = data[i] >> 24;
+ unsigned char r = data[i] >> 16;
+ unsigned char g = data[i] >> 8;
+ unsigned char b = data[i];
+
+ // background color
+ unsigned char bgr = bg[i] >> default_red_shift;
+ unsigned char bgg = bg[i] >> default_green_shift;
+ unsigned char bgb = bg[i] >> default_blue_shift;
+
+ r = bgr + (r - bgr) * alpha >> 8;
+ g = bgg + (g - bgg) * alpha >> 8;
+ b = bgb + (b - bgb) * alpha >> 8;
+
+ bg[i] = (r << default_red_shift) | (g << default_green_shift) |
+ (b << default_blue_shift);
+
+ if (++c >= w) {
+ ++y;
+ x = startx;
+ c = 0;
+ } else
+ ++x;
+ }
+
+ const ScreenInfo *info = display->screenInfo(_screen);
+ XImage *im = XCreateImage(**display, info->visual(), info->depth(),
+ ZPixmap, 0, NULL, sf.size().width(),
+ sf.size().height(), 32, 0);
+ im->byte_order = endian;
+
+ reduceDepth(sf, im);
+
+ im->data = (char*) bg;
+
+ sf.setPixmap(im);
+
+ im->data = NULL;
+ XDestroyImage(im);
+}
+
}
projects / chaz / openbox / blobdiff