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FuzzCanvas: do textToglyphs right

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Bug: skia:8635
Change-Id: I6ceec131ae9cc5796a5aba6d5cfdb16de4831a45
Reviewed-on: https://skia-review.googlesource.com/c/178261
Commit-Queue: Hal Canary <halcanary@google.com>
Commit-Queue: Kevin Lubick <kjlubick@google.com>
Auto-Submit: Hal Canary <halcanary@google.com>
Reviewed-by: Kevin Lubick <kjlubick@google.com>
This commit is contained in:
Hal Canary 2018-12-17 13:48:44 -05:00 committed by Skia Commit-Bot
parent b79ba57f20
commit fc97f222ff
1 changed files with 5 additions and 3 deletions
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8
fuzz/FuzzCanvas.cpp
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@ -995,24 +995,26 @@ static sk_sp<SkTextBlob> make_fuzz_textblob(Fuzz* fuzz) {
const SkTextBlobBuilder::RunBuffer* buffer;
uint8_t runType;
fuzz->nextRange(&runType, (uint8_t)0, (uint8_t)2);
const void* textPtr = text.begin();
size_t textLen = SkToSizeT(text.count());
switch (runType) {
case 0:
fuzz->next(&x, &y);
// TODO: Test other variations of this.
buffer = &textBlobBuilder.allocRun(font, glyphCount, x, y);
memcpy(buffer->glyphs, text.begin(), SkToSizeT(text.count()));
(void)font.textToGlyphs(textPtr, textLen, encoding, buffer->glyphs, glyphCount);
break;
case 1:
fuzz->next(&y);
// TODO: Test other variations of this.
buffer = &textBlobBuilder.allocRunPosH(font, glyphCount, y);
memcpy(buffer->glyphs, text.begin(), SkToSizeT(text.count()));
(void)font.textToGlyphs(textPtr, textLen, encoding, buffer->glyphs, glyphCount);
fuzz->nextN(buffer->pos, glyphCount);
break;
case 2:
// TODO: Test other variations of this.
buffer = &textBlobBuilder.allocRunPos(font, glyphCount);
memcpy(buffer->glyphs, text.begin(), SkToSizeT(text.count()));
(void)font.textToGlyphs(textPtr, textLen, encoding, buffer->glyphs, glyphCount);
fuzz->nextN(buffer->pos, glyphCount * 2);
break;
default: