diff options
author | commit-bot@chromium.org <commit-bot@chromium.org@2bbb7eff-a529-9590-31e7-b0007b416f81> | 2014-03-07 03:25:16 +0000 |
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committer | commit-bot@chromium.org <commit-bot@chromium.org@2bbb7eff-a529-9590-31e7-b0007b416f81> | 2014-03-07 03:25:16 +0000 |
commit | 4cd9e2169e35cd67ee7358acea6541245e1d1744 (patch) | |
tree | 6e78d84ef91181b41f5c45a73bab003c63780f10 /tools/sk_tool_utils.cpp | |
parent | a5572e5bb2a2bbeeb59de0741c2527869d365a0c (diff) |
Add SkCanvas::writePixels that takes info+pixels directly
add corresponding methods to device (w/ diff name to avoid colliding with exising virtuals)
BUG=skia:
R=bsalomon@google.com, robertphillips@google.com, junov@google.com, junov@chromium.org
Author: reed@google.com
Review URL: https://codereview.chromium.org/180113010
git-svn-id: http://skia.googlecode.com/svn/trunk@13697 2bbb7eff-a529-9590-31e7-b0007b416f81
Diffstat (limited to 'tools/sk_tool_utils.cpp')
-rw-r--r-- | tools/sk_tool_utils.cpp | 48 |
1 files changed, 48 insertions, 0 deletions
diff --git a/tools/sk_tool_utils.cpp b/tools/sk_tool_utils.cpp new file mode 100644 index 0000000000..f5b8b9f93d --- /dev/null +++ b/tools/sk_tool_utils.cpp @@ -0,0 +1,48 @@ +#include "sk_tool_utils.h" + +namespace sk_tool_utils { + +void config8888_to_imagetypes(SkCanvas::Config8888 config, SkColorType* ct, SkAlphaType* at) { + switch (config) { + case SkCanvas::kNative_Premul_Config8888: + *ct = kPMColor_SkColorType; + *at = kPremul_SkAlphaType; + break; + case SkCanvas::kNative_Unpremul_Config8888: + *ct = kPMColor_SkColorType; + *at = kUnpremul_SkAlphaType; + break; + case SkCanvas::kBGRA_Premul_Config8888: + *ct = kBGRA_8888_SkColorType; + *at = kPremul_SkAlphaType; + break; + case SkCanvas::kBGRA_Unpremul_Config8888: + *ct = kBGRA_8888_SkColorType; + *at = kUnpremul_SkAlphaType; + break; + case SkCanvas::kRGBA_Premul_Config8888: + *ct = kRGBA_8888_SkColorType; + *at = kPremul_SkAlphaType; + break; + case SkCanvas::kRGBA_Unpremul_Config8888: + *ct = kRGBA_8888_SkColorType; + *at = kUnpremul_SkAlphaType; + break; + default: + SkASSERT(0); + } +} + +void write_pixels(SkCanvas* canvas, const SkBitmap& bitmap, int x, int y, + SkColorType colorType, SkAlphaType alphaType) { + SkBitmap tmp(bitmap); + tmp.lockPixels(); + + SkImageInfo info = tmp.info(); + info.fColorType = colorType; + info.fAlphaType = alphaType; + + canvas->writePixels(info, tmp.getPixels(), tmp.rowBytes(), x, y); +} + +} |