зеркало из https://github.com/mozilla/moz-skia.git
109 строки
3.5 KiB
C++
109 строки
3.5 KiB
C++
/*
|
|
* 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 "SkBitmap.h"
|
|
#include "SkCanvas.h"
|
|
#include "SkColor.h"
|
|
#include "SkPaint.h"
|
|
#include "SkPoint.h"
|
|
#include "SkRect.h"
|
|
#include "SkTypes.h"
|
|
#include "Test.h"
|
|
|
|
static const SkColor bgColor = SK_ColorWHITE;
|
|
|
|
static void create(SkBitmap* bm, SkIRect bound) {
|
|
bm->allocN32Pixels(bound.width(), bound.height());
|
|
}
|
|
|
|
static void drawBG(SkCanvas* canvas) {
|
|
canvas->drawColor(bgColor);
|
|
}
|
|
|
|
/** Assumes that the ref draw was completely inside ref canvas --
|
|
implies that everything outside is "bgColor".
|
|
Checks that all overlap is the same and that all non-overlap on the
|
|
ref is "bgColor".
|
|
*/
|
|
static bool compare(const SkBitmap& ref, const SkIRect& iref,
|
|
const SkBitmap& test, const SkIRect& itest)
|
|
{
|
|
const int xOff = itest.fLeft - iref.fLeft;
|
|
const int yOff = itest.fTop - iref.fTop;
|
|
|
|
SkAutoLockPixels alpRef(ref);
|
|
SkAutoLockPixels alpTest(test);
|
|
|
|
for (int y = 0; y < test.height(); ++y) {
|
|
for (int x = 0; x < test.width(); ++x) {
|
|
SkColor testColor = test.getColor(x, y);
|
|
int refX = x + xOff;
|
|
int refY = y + yOff;
|
|
SkColor refColor;
|
|
if (refX >= 0 && refX < ref.width() &&
|
|
refY >= 0 && refY < ref.height())
|
|
{
|
|
refColor = ref.getColor(refX, refY);
|
|
} else {
|
|
refColor = bgColor;
|
|
}
|
|
if (refColor != testColor) {
|
|
return false;
|
|
}
|
|
}
|
|
}
|
|
return true;
|
|
}
|
|
|
|
DEF_TEST(DrawText, reporter) {
|
|
SkPaint paint;
|
|
paint.setColor(SK_ColorGRAY);
|
|
paint.setTextSize(SkIntToScalar(20));
|
|
|
|
SkIRect drawTextRect = SkIRect::MakeWH(64, 64);
|
|
SkBitmap drawTextBitmap;
|
|
create(&drawTextBitmap, drawTextRect);
|
|
SkCanvas drawTextCanvas(drawTextBitmap);
|
|
|
|
SkIRect drawPosTextRect = SkIRect::MakeWH(64, 64);
|
|
SkBitmap drawPosTextBitmap;
|
|
create(&drawPosTextBitmap, drawPosTextRect);
|
|
SkCanvas drawPosTextCanvas(drawPosTextBitmap);
|
|
|
|
for (float offsetY = 0.0f; offsetY < 1.0f; offsetY += (1.0f / 16.0f)) {
|
|
for (float offsetX = 0.0f; offsetX < 1.0f; offsetX += (1.0f / 16.0f)) {
|
|
SkPoint point = SkPoint::Make(25.0f + offsetX,
|
|
25.0f + offsetY);
|
|
|
|
for (int align = 0; align < SkPaint::kAlignCount; ++align) {
|
|
paint.setTextAlign(static_cast<SkPaint::Align>(align));
|
|
|
|
for (unsigned int flags = 0; flags < (1 << 3); ++flags) {
|
|
static const unsigned int antiAliasFlag = 1;
|
|
static const unsigned int subpixelFlag = 1 << 1;
|
|
static const unsigned int lcdFlag = 1 << 2;
|
|
|
|
paint.setAntiAlias(SkToBool(flags & antiAliasFlag));
|
|
paint.setSubpixelText(SkToBool(flags & subpixelFlag));
|
|
paint.setLCDRenderText(SkToBool(flags & lcdFlag));
|
|
|
|
// Test: drawText and drawPosText draw the same.
|
|
drawBG(&drawTextCanvas);
|
|
drawTextCanvas.drawText("A", 1, point.fX, point.fY, paint);
|
|
|
|
drawBG(&drawPosTextCanvas);
|
|
drawPosTextCanvas.drawPosText("A", 1, &point, paint);
|
|
|
|
REPORTER_ASSERT(reporter,
|
|
compare(drawTextBitmap, drawTextRect,
|
|
drawPosTextBitmap, drawPosTextRect));
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|