diff options
Diffstat (limited to 'app/gfx/skbitmap_operations.cc')
-rw-r--r-- | app/gfx/skbitmap_operations.cc | 60 |
1 files changed, 0 insertions, 60 deletions
diff --git a/app/gfx/skbitmap_operations.cc b/app/gfx/skbitmap_operations.cc index 7108597..174df68 100644 --- a/app/gfx/skbitmap_operations.cc +++ b/app/gfx/skbitmap_operations.cc @@ -4,72 +4,12 @@ #include "app/gfx/skbitmap_operations.h" -#include <algorithm> - #include "base/logging.h" #include "third_party/skia/include/core/SkBitmap.h" -#include "third_party/skia/include/core/SkCanvas.h" #include "third_party/skia/include/core/SkColorPriv.h" #include "third_party/skia/include/core/SkUnPreMultiply.h" // static -SkBitmap SkBitmapOperations::CreateInvertedBitmap(const SkBitmap& image) { - DCHECK(image.config() == SkBitmap::kARGB_8888_Config); - - SkAutoLockPixels lock_image(image); - - SkBitmap inverted; - inverted.setConfig(SkBitmap::kARGB_8888_Config, image.width(), image.height(), - 0); - inverted.allocPixels(); - inverted.eraseARGB(0, 0, 0, 0); - - for (int y = 0; y < image.height(); ++y) { - uint32* image_row = image.getAddr32(0, y); - uint32* dst_row = inverted.getAddr32(0, y); - - for (int x = 0; x < image.width(); ++x) { - uint32 image_pixel = image_row[x]; - dst_row[x] = (image_pixel & 0xFF000000) | - (0x00FFFFFF - (image_pixel & 0x00FFFFFF)); - } - } - - return inverted; -} - -// static -SkBitmap SkBitmapOperations::CreateSuperimposedBitmap(const SkBitmap& first, - const SkBitmap& second) { - DCHECK(first.width() == second.width()); - DCHECK(first.height() == second.height()); - DCHECK(first.bytesPerPixel() == second.bytesPerPixel()); - DCHECK(first.config() == SkBitmap::kARGB_8888_Config); - - SkAutoLockPixels lock_first(first); - SkAutoLockPixels lock_second(second); - - SkBitmap superimposed; - superimposed.setConfig(SkBitmap::kARGB_8888_Config, - first.width(), first.height()); - superimposed.allocPixels(); - superimposed.eraseARGB(0, 0, 0, 0); - - SkCanvas canvas(superimposed); - - SkRect rect; - rect.fLeft = 0; - rect.fTop = 0; - rect.fRight = SkIntToScalar(first.width()); - rect.fBottom = SkIntToScalar(first.height()); - - canvas.drawBitmapRect(first, NULL, rect); - canvas.drawBitmapRect(second, NULL, rect); - - return superimposed; -} - -// static SkBitmap SkBitmapOperations::CreateBlendedBitmap(const SkBitmap& first, const SkBitmap& second, double alpha) { |