add skeleton for RenderControl::drawImage

[chaz/openbox] / otk / truerendercontrol.cc

diff --git a/otk/truerendercontrol.cc b/otk/truerendercontrol.cc
index 5e9f318817de214fdbf659b6b9ff3d098932c9a5..0b0e5a0b0e718fca0adea37e5ccdf3b6ccf5744c 100644 (file)
--- a/otk/truerendercontrol.cc
+++ b/otk/truerendercontrol.cc
@@ -1,8 +1,6 @@
 // -*- 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"
@@ -59,29 +57,31 @@ void TrueRenderControl::drawGradientBackground(
      Surface &sf, const RenderTexture &texture) const
 {
   unsigned int r,g,b;
-  int w = sf.width(), h = sf.height(), off, x;
+  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;
-  pixel32 *data = new pixel32[sf.height()*sf.width()];
-  pixel32 current;
 
   switch (texture.gradient()) {
   case RenderTexture::Vertical:
-    verticalGradient(sf, texture, data);
+    verticalGradient(sf, texture);
     break;
   case RenderTexture::Diagonal:
-    diagonalGradient(sf, texture, data);
+    diagonalGradient(sf, texture);
     break;
   case RenderTexture::CrossDiagonal:
-    crossDiagonalGradient(sf, texture, data);
+    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();
@@ -123,68 +123,68 @@ void TrueRenderControl::drawGradientBackground(
     }
   }
 
-  reduceDepth(im, data);
+  reduceDepth(sf, im);
 
   im->data = (char*) data;
 
   sf.setPixmap(im);
 
-  delete [] im->data;
   im->data = NULL;
   XDestroyImage(im);
 }
 
 void TrueRenderControl::verticalGradient(Surface &sf,
-                                         const RenderTexture &texture,
-                                         pixel32 *data) const
+                                         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)sf.height();
+  dr/= (float)h;
 
   dg = (float)(texture.secondary_color().green() - texture.color().green());
-  dg/= (float)sf.height();
+  dg/= (float)h;
 
   db = (float)(texture.secondary_color().blue() - texture.color().blue());
-  db/= (float)sf.height();
+  db/= (float)h;
 
-  for (int y = 0; y < sf.height(); ++y) {
+  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 < sf.width(); ++x, ++data)
+    for (int x = 0; x < w; ++x, ++data)
       *data = current;
   }
 }
 
 void TrueRenderControl::diagonalGradient(Surface &sf,
-                                         const RenderTexture &texture,
-                                         pixel32 *data) const
+                                         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 < sf.height(); ++y) {
+  for (int y = 0; y < h; ++y) {
     drx = (float)(texture.secondary_color().red() - texture.color().red());
-    dry = drx/(float)sf.height();
-    drx/= (float)sf.width();
+    dry = drx/(float)h;
+    drx/= (float)w;
 
     dgx = (float)(texture.secondary_color().green() - texture.color().green());
-    dgy = dgx/(float)sf.height();
-    dgx/= (float)sf.width();
+    dgy = dgx/(float)h;
+    dgx/= (float)w;
 
     dbx = (float)(texture.secondary_color().blue() - texture.color().blue());
-    dby = dbx/(float)sf.height();
-    dbx/= (float)sf.width();
-    for (int x = 0; x < sf.width(); ++x, ++data) {
+    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;
@@ -196,27 +196,28 @@ void TrueRenderControl::diagonalGradient(Surface &sf,
   }
 }
 
-void TrueRenderControl::crossDiagonalGradient(Surface &sf,
-                                              const RenderTexture &texture,
-                                              pixel32 *data) const
+void TrueRenderControl::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 < sf.height(); ++y) {
+  for (int y = 0; y < h; ++y) {
     drx = (float)(texture.secondary_color().red() - texture.color().red());
-    dry = drx/(float)sf.height();
-    drx/= (float)sf.width();
+    dry = drx/(float)h;
+    drx/= (float)w;
 
     dgx = (float)(texture.secondary_color().green() - texture.color().green());
-    dgy = dgx/(float)sf.height();
-    dgx/= (float)sf.width();
+    dgy = dgx/(float)h;
+    dgx/= (float)w;
 
     dbx = (float)(texture.secondary_color().blue() - texture.color().blue());
-    dby = dbx/(float)sf.height();
-    dbx/= (float)sf.width();
-    for (int x = sf.width(); x > 0; --x, ++data) {
+    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;
@@ -228,11 +229,12 @@ void TrueRenderControl::crossDiagonalGradient(Surface &sf,
   }
 }
 
-void TrueRenderControl::reduceDepth(XImage *im, pixel32 *data) const
+void TrueRenderControl::reduceDepth(Surface &sf, XImage *im) const
 {
 // since pixel32 is the largest possible pixel size, we can share the array
   int r, g, b;
   int x,y;
+  pixel32 *data = sf.pixelData();
   pixel16 *p = (pixel16*) data;
   switch (im->bits_per_pixel) {
   case 32: