diff options
author | reed <reed@google.com> | 2015-05-21 15:46:20 -0700 |
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committer | Commit bot <commit-bot@chromium.org> | 2015-05-21 15:46:20 -0700 |
commit | 5a72c4295263a59c74acb119e405b5e5ac2df70f (patch) | |
tree | 5b422186591263f264ffdbbd0a46a5305a07bdd7 /gm | |
parent | 3ece53ed30b934894c87c8adb2a77cfdf2ecfcfe (diff) |
remove unused SkBitmap::scrollRect API
BUG=skia:
TBR=
Review URL: https://codereview.chromium.org/1154623002
Diffstat (limited to 'gm')
-rw-r--r-- | gm/bitmapscroll.cpp | 155 |
1 files changed, 0 insertions, 155 deletions
diff --git a/gm/bitmapscroll.cpp b/gm/bitmapscroll.cpp deleted file mode 100644 index 0603c3c472..0000000000 --- a/gm/bitmapscroll.cpp +++ /dev/null @@ -1,155 +0,0 @@ - -/* - * Copyright 2011 Google Inc. - * - * Use of this source code is governed by a BSD-style license that can be - * found in the LICENSE file. - */ -#include "gm.h" - -namespace skiagm { - -/** Create a bitmap image suitable for testing SkBitmap::scrollRect(). - * - * @param quarterWidth bitmap will be 4x this many pixels wide - * @param quarterHeight bitmap will be 4x this many pixels tall - * @param bitmap the bitmap data is written into this object - */ -static void make_bitmap(int quarterWidth, int quarterHeight, SkBitmap *bitmap) { - SkPaint pRed, pWhite, pGreen, pBlue, pLine, pAlphaGray; - pRed.setColor(0xFFFF9999); - pWhite.setColor(0xFFFFFFFF); - pGreen.setColor(0xFF99FF99); - pBlue.setColor(0xFF9999FF); - pLine.setColor(0xFF000000); - pLine.setStyle(SkPaint::kStroke_Style); - pAlphaGray.setColor(0x66888888); - - // Prepare bitmap, and a canvas that draws into it. - bitmap->allocN32Pixels(quarterWidth*4, quarterHeight*4); - SkCanvas canvas(*bitmap); - - SkScalar w = SkIntToScalar(quarterWidth); - SkScalar h = SkIntToScalar(quarterHeight); - canvas.drawRectCoords( 0, 0, w*2, h*2, pRed); - canvas.drawRectCoords(w*2, 0, w*4, h*2, pGreen); - canvas.drawRectCoords( 0, h*2, w*2, h*4, pBlue); - canvas.drawRectCoords(w*2, h*2, w*4, h*4, pWhite); - canvas.drawRectCoords(w, h, w*3, h*3, pAlphaGray); - canvas.drawLine(w*2, 0, w*2, h*4, pLine); - canvas.drawLine( 0, h*2, w*4, h*2, pLine); - canvas.drawRectCoords(w, h, w*3, h*3, pLine); -} - -class BitmapScrollGM : public GM { - bool fInited; - void init() { - if (fInited) { - return; - } - fInited = true; - // Create the original bitmap. - make_bitmap(quarterWidth, quarterHeight, &origBitmap); - } - -public: - BitmapScrollGM() { - fInited = false; - this->setBGColor(0xFFDDDDDD); - } - -protected: - SkString onShortName() override { - return SkString("bitmapscroll"); - } - - SkISize onISize() override { - return SkISize::Make(800, 600); - } - - void onDraw(SkCanvas* canvas) override { - this->init(); - SkIRect scrollCenterRegion = SkIRect::MakeXYWH( - quarterWidth, quarterHeight, quarterWidth*2+1, quarterHeight*2+1); - int x = quarterWidth; - int y = quarterHeight; - int xSpacing = quarterWidth * 20; - int ySpacing = quarterHeight * 16; - - // Draw left-hand text labels. - drawLabel(canvas, "scroll entire bitmap", - x, y, x, y + ySpacing); - drawLabel(canvas, "scroll part of bitmap", - x, y + ySpacing, x, y + ySpacing*2); - x += 30; - - // Draw various permutations of scrolled bitmaps, scrolling a bit - // further each time. - draw9(canvas, x, y, NULL, quarterWidth*1/2, quarterHeight*1/2); - draw9(canvas, x, y+ySpacing, &scrollCenterRegion, - quarterWidth*1/2, quarterHeight*1/2); - x += xSpacing; - draw9(canvas, x, y, NULL, quarterWidth*3/2, quarterHeight*3/2); - draw9(canvas, x, y+ySpacing, &scrollCenterRegion, - quarterWidth*3/2, quarterHeight*3/2); - x += xSpacing; - draw9(canvas, x, y, NULL, quarterWidth*5/2, quarterHeight*5/2); - draw9(canvas, x, y+ySpacing, &scrollCenterRegion, - quarterWidth*5/2, quarterHeight*5/2); - x += xSpacing; - draw9(canvas, x, y, NULL, quarterWidth*9/2, quarterHeight*9/2); - draw9(canvas, x, y+ySpacing, &scrollCenterRegion, - quarterWidth*9/2, quarterHeight*9/2); - } - - void drawLabel(SkCanvas* canvas, const char *text, int startX, int startY, - int endX, int endY) { - SkPaint paint; - sk_tool_utils::set_portable_typeface(&paint); - paint.setColor(0xFF000000); - SkPath path; - path.moveTo(SkIntToScalar(startX), SkIntToScalar(startY)); - path.lineTo(SkIntToScalar(endX), SkIntToScalar(endY)); - canvas->drawTextOnPath(text, strlen(text), path, NULL, paint); - } - - /** Stamp out 9 copies of origBitmap, scrolled in each direction (and - * not scrolled at all). - */ - void draw9(SkCanvas* canvas, int x, int y, SkIRect* subset, - int scrollX, int scrollY) { - for (int yMult=-1; yMult<=1; yMult++) { - for (int xMult=-1; xMult<=1; xMult++) { - // Figure out the (x,y) to draw this copy at - SkScalar bitmapX = SkIntToScalar( - x + quarterWidth * 5 * (xMult+1)); - SkScalar bitmapY = SkIntToScalar( - y + quarterHeight * 5 * (yMult+1)); - - // Scroll a new copy of the bitmap, and then draw it. - // scrollRect() should always return true, even if it's a no-op - SkBitmap scrolledBitmap; - SkDEBUGCODE(bool copyToReturnValue = )origBitmap.copyTo( - &scrolledBitmap, origBitmap.colorType()); - SkASSERT(copyToReturnValue); - SkDEBUGCODE(bool scrollRectReturnValue = )scrolledBitmap.scrollRect( - subset, scrollX * xMult, scrollY * yMult); - SkASSERT(scrollRectReturnValue); - canvas->drawBitmap(scrolledBitmap, bitmapX, bitmapY); - } - } - } - -private: - typedef GM INHERITED; - static const int quarterWidth = 10; - static const int quarterHeight = 14; - SkBitmap origBitmap; -}; - -////////////////////////////////////////////////////////////////////////////// - -static GM* MyFactory(void*) { return new BitmapScrollGM; } -static GMRegistry reg(MyFactory); - -} |