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-rw-r--r--src/graphics.cpp83
1 files changed, 81 insertions, 2 deletions
diff --git a/src/graphics.cpp b/src/graphics.cpp
index 58f643e9..75db11f4 100644
--- a/src/graphics.cpp
+++ b/src/graphics.cpp
@@ -120,11 +120,47 @@ bool Graphics::drawImage(Image *image, int x, int y)
return drawImage(image, 0, 0, x, y, image->mBounds.w, image->mBounds.h);
}
+bool Graphics::drawRescaledImage(Image *image, int srcX, int srcY,
+ int dstX, int dstY,
+ int width, int height,
+ int desiredWidth, int desiredHeight,
+ bool useColor)
+{
+ // Check that preconditions for blitting are met.
+ if (!mScreen || !image) return false;
+ if (!image->mImage) return false;
+
+ Image *tmpImage = image->SDLgetScaledImage(desiredWidth, desiredHeight);
+ bool returnValue = false;
+ if (!tmpImage) return false;
+ if (!tmpImage->mImage) return false;
+
+ dstX += mClipStack.top().xOffset;
+ dstY += mClipStack.top().yOffset;
+
+ srcX += image->mBounds.x;
+ srcY += image->mBounds.y;
+
+ SDL_Rect dstRect;
+ SDL_Rect srcRect;
+ dstRect.x = dstX; dstRect.y = dstY;
+ srcRect.x = srcX; srcRect.y = srcY;
+ srcRect.w = width;
+ srcRect.h = height;
+
+ returnValue = !(SDL_BlitSurface(tmpImage->mImage, &srcRect, mScreen, &dstRect) < 0);
+
+ delete tmpImage;
+
+ return returnValue;
+}
+
bool Graphics::drawImage(Image *image, int srcX, int srcY, int dstX, int dstY,
int width, int height, bool)
{
// Check that preconditions for blitting are met.
- if (!mScreen || !image || !image->mImage) return false;
+ if (!mScreen || !image) return false;
+ if (!image->mImage) return false;
dstX += mClipStack.top().xOffset;
dstY += mClipStack.top().yOffset;
@@ -154,7 +190,8 @@ void Graphics::drawImage(gcn::Image const *image, int srcX, int srcY,
void Graphics::drawImagePattern(Image *image, int x, int y, int w, int h)
{
// Check that preconditions for blitting are met.
- if (!mScreen || !image || !image->mImage) return;
+ if (!mScreen || !image) return;
+ if (!image->mImage) return;
const int iw = image->getWidth();
const int ih = image->getHeight();
@@ -184,6 +221,48 @@ void Graphics::drawImagePattern(Image *image, int x, int y, int w, int h)
}
}
+void Graphics::drawRescaledImagePattern(Image *image, int x, int y,
+ int w, int h, int scaledWidth, int scaledHeight)
+{
+ // Check that preconditions for blitting are met.
+ if (!mScreen || !image) return;
+ if (!image->mImage) return;
+
+ if (scaledHeight == 0 || scaledWidth == 0) return;
+
+ Image *tmpImage = image->SDLgetScaledImage(scaledWidth, scaledHeight);
+ if (!tmpImage) return;
+
+ const int iw = tmpImage->getWidth();
+ const int ih = tmpImage->getHeight();
+
+ if (iw == 0 || ih == 0) return;
+
+ for (int py = 0; py < h; py += ih) // Y position on pattern plane
+ {
+ int dh = (py + ih >= h) ? h - py : ih;
+ int srcY = tmpImage->mBounds.y;
+ int dstY = y + py + mClipStack.top().yOffset;
+
+ for (int px = 0; px < w; px += iw) // X position on pattern plane
+ {
+ int dw = (px + iw >= w) ? w - px : iw;
+ int srcX = tmpImage->mBounds.x;
+ int dstX = x + px + mClipStack.top().xOffset;
+
+ SDL_Rect dstRect;
+ SDL_Rect srcRect;
+ dstRect.x = dstX; dstRect.y = dstY;
+ srcRect.x = srcX; srcRect.y = srcY;
+ srcRect.w = dw; srcRect.h = dh;
+
+ SDL_BlitSurface(tmpImage->mImage, &srcRect, mScreen, &dstRect);
+ }
+ }
+
+ delete tmpImage;
+}
+
void Graphics::drawImageRect(int x, int y, int w, int h,
Image *topLeft, Image *topRight,
Image *bottomLeft, Image *bottomRight,