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SkDocument.cpp clean up

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Change-Id: I125a773e29824cfdd60754e681182d37e828c4b9
Reviewed-on: https://skia-review.googlesource.com/24860
Reviewed-by: Ben Wagner <bungeman@google.com>
Commit-Queue: Hal Canary <halcanary@google.com>
This commit is contained in:
Hal Canary 2017-07-20 08:37:50 -04:00 committed by Skia Commit-Bot
parent af1813e3bf
commit fa486cf4de
1 changed files with 23 additions and 37 deletions
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60
src/core/SkDocument.cpp
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@ -9,53 +9,39 @@
#include "SkDocument.h"
#include "SkStream.h"
SkDocument::SkDocument(SkWStream* stream, void (*doneProc)(SkWStream*, bool)) {
fStream = stream; // we do not own this object.
fDoneProc = doneProc;
fState = kBetweenPages_State;
}
SkDocument::SkDocument(SkWStream* stream, void (*doneProc)(SkWStream*, bool))
: fStream(stream) // we do not own this object.
, fDoneProc(doneProc)
, fState(kBetweenPages_State) {}
SkDocument::~SkDocument() {
this->close();
}
SkCanvas* SkDocument::beginPage(SkScalar width, SkScalar height,
const SkRect* content) {
if (width <= 0 || height <= 0) {
return nullptr;
}
SkRect outer = SkRect::MakeWH(width, height);
SkRect inner;
if (content) {
inner = *content;
if (!inner.intersect(outer)) {
static SkCanvas* trim(SkCanvas* canvas, SkScalar width, SkScalar height,
const SkRect* content) {
if (content && canvas) {
SkRect inner = *content;
if (!inner.intersect({0, 0, width, height})) {
return nullptr;
}
} else {
inner = outer;
canvas->clipRect(inner);
canvas->translate(inner.x(), inner.y());
}
return canvas;
}
for (;;) {
switch (fState) {
case kBetweenPages_State: {
fState = kInPage_State;
SkCanvas* canvas = this->onBeginPage(width, height);
if (content) {
canvas->clipRect(inner);
canvas->translate(inner.x(), inner.y());
}
return canvas;
}
case kInPage_State:
this->endPage();
break;
case kClosed_State:
return nullptr;
}
SkCanvas* SkDocument::beginPage(SkScalar width, SkScalar height,
const SkRect* content) {
if (width <= 0 || height <= 0 || kClosed_State == fState) {
return nullptr;
}
SkDEBUGFAIL("never get here");
return nullptr;
if (kInPage_State == fState) {
this->endPage();
}
SkASSERT(kBetweenPages_State == fState);
fState = kInPage_State;
return trim(this->onBeginPage(width, height), width, height, content);
}
void SkDocument::endPage() {