92b33354dd
set --> setLTRB set(pts, count) --> setBounds Bug: skia:9328 Change-Id: I807c0598a8b23b2f721db118ec41c1607114205a Reviewed-on: https://skia-review.googlesource.com/c/skia/+/237038 Reviewed-by: Mike Reed <reed@google.com> Commit-Queue: Mike Reed <reed@google.com> Auto-Submit: Mike Reed <reed@google.com>
123 lines
3.5 KiB
C++
123 lines
3.5 KiB
C++
/*
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* Copyright 2016 Google Inc.
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*
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* Use of this source code is governed by a BSD-style license that can be
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* found in the LICENSE file.
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*/
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#include "include/core/SkCanvas.h"
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#include "include/core/SkString.h"
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#include "samplecode/Sample.h"
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#if SK_SUPPORT_GPU
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# include "include/gpu/GrContext.h"
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#else
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class GrContext;
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#endif
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//////////////////////////////////////////////////////////////////////////////
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void Sample::setSize(SkScalar width, SkScalar height) {
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width = SkMaxScalar(0, width);
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height = SkMaxScalar(0, height);
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if (fWidth != width || fHeight != height)
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{
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fWidth = width;
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fHeight = height;
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this->onSizeChange();
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}
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}
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void Sample::draw(SkCanvas* canvas) {
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if (fWidth && fHeight) {
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SkRect r;
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r.setLTRB(0, 0, fWidth, fHeight);
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if (canvas->quickReject(r)) {
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return;
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}
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SkAutoCanvasRestore as(canvas, true);
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int sc = canvas->save();
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if (!fHaveCalledOnceBeforeDraw) {
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fHaveCalledOnceBeforeDraw = true;
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this->onOnceBeforeDraw();
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}
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this->onDrawBackground(canvas);
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SkAutoCanvasRestore acr(canvas, true);
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this->onDrawContent(canvas);
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#if SK_SUPPORT_GPU
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// Ensure the GrContext doesn't combine GrDrawOps across draw loops.
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if (GrContext* context = canvas->getGrContext()) {
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context->flush();
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}
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#endif
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canvas->restoreToCount(sc);
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}
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}
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////////////////////////////////////////////////////////////////////////////
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bool Sample::mouse(SkPoint point, InputState clickState, ModifierKey modifierKeys) {
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switch (clickState) {
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case InputState::kDown:
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fClick = nullptr;
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if (point.x() < 0 || point.y() < 0 || point.x() >= fWidth || point.y() >= fHeight) {
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return false;
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}
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fClick.reset(this->onFindClickHandler(point.x(), point.y(), modifierKeys));
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if (!fClick) {
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return false;
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}
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fClick->fPrev = fClick->fCurr = fClick->fOrig = point;
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fClick->fState = InputState::kDown;
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fClick->fModifierKeys = modifierKeys;
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this->onClick(fClick.get());
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return true;
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case InputState::kMove:
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if (fClick) {
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fClick->fPrev = fClick->fCurr;
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fClick->fCurr = point;
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fClick->fState = InputState::kMove;
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fClick->fModifierKeys = modifierKeys;
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return this->onClick(fClick.get());
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}
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return false;
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case InputState::kUp:
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if (fClick) {
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fClick->fPrev = fClick->fCurr;
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fClick->fCurr = point;
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fClick->fState = InputState::kUp;
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fClick->fModifierKeys = modifierKeys;
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bool result = this->onClick(fClick.get());
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fClick = nullptr;
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return result;
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}
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return false;
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}
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SkASSERT(false);
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return false;
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}
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//////////////////////////////////////////////////////////////////////
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void Sample::onSizeChange() {}
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Sample::Click* Sample::onFindClickHandler(SkScalar x, SkScalar y, ModifierKey modi) {
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return nullptr;
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}
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bool Sample::onClick(Click*) {
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return false;
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}
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void Sample::onDrawBackground(SkCanvas* canvas) {
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canvas->drawColor(fBGColor);
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}
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// need to explicitly declare this, or we get some weird infinite loop llist
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template SampleRegistry* SampleRegistry::gHead;
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