am 9c708358: am 37cedce1: Merge "Add an aapt option to allow string variations for...

[android/aapt.git] / Images.cpp

diff --git a/Images.cpp b/Images.cpp
index 4c776fb9b40d6e991e24ed828df7f153117458ab..3c471ca76107cc49b5f8e3ca15e87725ed80faf9 100644 (file)
--- a/Images.cpp
+++ b/Images.cpp
@@ -44,6 +44,9 @@ struct image_info
             }
             free(allocRows);
         }
+        free(info9Patch.xDivs);
+        free(info9Patch.yDivs);
+        free(info9Patch.colors);
     }
 
     png_uint_32 width;
@@ -332,8 +335,8 @@ 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;
@@ -356,7 +359,7 @@ static status_t do_9patch(const char* imageName, image_info* image)
 
     const char* errorMsg = NULL;
     int errorPixel = -1;
-    const char* errorEdge = "";
+    const char* errorEdge = NULL;
 
     int colorIndex = 0;
 
@@ -460,6 +463,14 @@ static status_t do_9patch(const char* imageName, image_info* image)
     if (yDivs[numYDivs - 1] == H) {
         numRows--;
     }
+
+    // Make sure the amount of rows and columns will fit in the number of
+    // colors we can use in the 9-patch format.
+    if (numRows * numCols > 0x7F) {
+        errorMsg = "Too many rows and columns in 9-patch perimeter";
+        goto getout;
+    }
+
     numColors = numRows * numCols;
     image->info9Patch.numColors = numColors;
     image->info9Patch.colors = (uint32_t*)malloc(numColors * sizeof(uint32_t));
@@ -530,12 +541,14 @@ getout:
         fprintf(stderr,
             "ERROR: 9-patch image %s malformed.\n"
             "       %s.\n", imageName, errorMsg);
-        if (errorPixel >= 0) {
-            fprintf(stderr,
-            "       Found at pixel #%d along %s edge.\n", errorPixel, errorEdge);
-        } else {
-            fprintf(stderr,
-            "       Found along %s edge.\n", errorEdge);
+        if (errorEdge != NULL) {
+            if (errorPixel >= 0) {
+                fprintf(stderr,
+                    "       Found at pixel #%d along %s edge.\n", errorPixel, errorEdge);
+            } else {
+                fprintf(stderr,
+                    "       Found along %s edge.\n", errorEdge);
+            }
         }
         return UNKNOWN_ERROR;
     }
@@ -610,7 +623,7 @@ static void dump_image(int w, int h, png_bytepp rows, int color_type)
     } else if (color_type == PNG_COLOR_TYPE_GRAY_ALPHA) {
         bpp = 2;
     } else if (color_type == PNG_COLOR_TYPE_RGB || color_type == PNG_COLOR_TYPE_RGB_ALPHA) {
-           // We use a padding byte even when there is no alpha
+        // We use a padding byte even when there is no alpha
         bpp = 4;
     } else {
         printf("Unknown color type %d.\n", color_type);
@@ -833,6 +846,7 @@ static void write_png(const char* imageName,
     int i;
 
     png_unknown_chunk unknowns[1];
+    unknowns[0].data = NULL;
 
     png_bytepp outRows = (png_bytepp) malloc((int) imageInfo.height * png_sizeof(png_bytep));
     if (outRows == (png_bytepp) 0) {
@@ -859,6 +873,14 @@ 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",
@@ -931,6 +953,7 @@ static void write_png(const char* imageName,
         free(outRows[i]);
     }
     free(outRows);
+    free(unknowns[0].data);
 
     png_get_IHDR(write_ptr, write_info, &width, &height,
        &bit_depth, &color_type, &interlace_type,