add drawImageNine
this also exposes nine-patch drawing directly to devices, and creates a shared iterator for unrolling a nine-patch into single rect->rect draws.
BUG=skia:
Review URL: https://codereview.chromium.org/1211583003
diff --git a/src/core/SkPictureRecord.cpp b/src/core/SkPictureRecord.cpp
index 0fbf980..5f85b47 100644
--- a/src/core/SkPictureRecord.cpp
+++ b/src/core/SkPictureRecord.cpp
@@ -101,6 +101,7 @@
1, // DRAW_IMAGE - right after op code
1, // DRAW_IMAGE_RECT - right after op code
1, // DRAW_ATLAS - right after op code
+ 1, // DRAW_IMAGE_NINE - right after op code
};
SK_COMPILE_ASSERT(sizeof(gPaintOffsets) == LAST_DRAWTYPE_ENUM + 1,
@@ -584,7 +585,7 @@
void SkPictureRecord::onDrawImageRect(const SkImage* image, const SkRect* src, const SkRect& dst,
const SkPaint* paint) {
- // id + paint_index + bitmap_index + bool_for_src
+ // id + paint_index + image_index + bool_for_src
size_t size = 4 * kUInt32Size;
if (src) {
size += sizeof(*src); // + rect
@@ -601,6 +602,20 @@
this->validate(initialOffset, size);
}
+void SkPictureRecord::onDrawImageNine(const SkImage* img, const SkIRect& center, const SkRect& dst,
+ const SkPaint* paint) {
+ // id + paint_index + image_index + center + dst
+ size_t size = 3 * kUInt32Size + sizeof(SkIRect) + sizeof(SkRect);
+
+ size_t initialOffset = this->addDraw(DRAW_IMAGE_NINE, &size);
+ SkASSERT(initialOffset+get_paint_offset(DRAW_IMAGE_NINE, size) == fWriter.bytesWritten());
+ this->addPaintPtr(paint);
+ this->addImage(img);
+ this->addIRect(center);
+ this->addRect(dst);
+ this->validate(initialOffset, size);
+}
+
void SkPictureRecord::onDrawBitmapNine(const SkBitmap& bitmap, const SkIRect& center,
const SkRect& dst, const SkPaint* paint) {
// op + paint index + bitmap id + center + dst rect