Merge from donut

[android/aapt.git] / Images.cpp

diff --git a/Images.cpp b/Images.cpp
index 4c776fb9b40d6e991e24ed828df7f153117458ab..0a4c68ba2e3296cd52595bddc00bd823a7fcaf0a 100644 (file)
--- a/Images.cpp
+++ b/Images.cpp
@@ -332,8 +332,8 @@ static status_t do_9patch(const char* imageName, image_info* image)
     int H = image->height;
     int i, j;
 
-    int maxSizeXDivs = (W / 2 + 1) * sizeof(int32_t);
-    int maxSizeYDivs = (H / 2 + 1) * sizeof(int32_t);
+    int maxSizeXDivs = W * sizeof(int32_t);
+    int maxSizeYDivs = H * sizeof(int32_t);
     int32_t* xDivs = (int32_t*) malloc(maxSizeXDivs);
     int32_t* yDivs = (int32_t*) malloc(maxSizeYDivs);
     uint8_t  numXDivs = 0;
@@ -859,6 +859,14 @@ static void write_png(const char* imageName,
 
     analyze_image(imageName, imageInfo, grayscaleTolerance, rgbPalette, alphaPalette,
                   &paletteEntries, &hasTransparency, &color_type, outRows);
+
+    // If the image is a 9-patch, we need to preserve it as a ARGB file to make
+    // sure the pixels will not be pre-dithered/clamped until we decide they are
+    if (imageInfo.is9Patch && (color_type == PNG_COLOR_TYPE_RGB ||
+            color_type == PNG_COLOR_TYPE_GRAY || color_type == PNG_COLOR_TYPE_PALETTE)) {
+        color_type = PNG_COLOR_TYPE_RGB_ALPHA;
+    }
+
     switch (color_type) {
     case PNG_COLOR_TYPE_PALETTE:
         NOISY(printf("Image %s has %d colors%s, using PNG_COLOR_TYPE_PALETTE\n",