27     Result onDecode(SkStream* stream, SkBitmap* bm, Mode mode) override;
155 static SkImageDecoder::Result error_return(const SkBitmap& bm, const char msg[]) {  in error_return()  argument
158                  msg, bm.width(), bm.height(), bm.getPixels(),  in error_return()
159                  bm.getColorTable());  in error_return()
164 static void gif_warning(const SkBitmap& bm, const char msg[]) {  in gif_warning()  argument
167                  msg, bm.width(), bm.height(), bm.getPixels(),  in gif_warning()
168                  bm.getColorTable());  in gif_warning()
195 static void sanitize_indexed_bitmap(SkBitmap* bm) {  in sanitize_indexed_bitmap()  argument
196     if ((kIndex_8_SkColorType == bm->colorType()) && !(bm->empty())) {  in sanitize_indexed_bitmap()
197         SkAutoLockPixels alp(*bm);  in sanitize_indexed_bitmap()
198         if (bm->getPixels()) {  in sanitize_indexed_bitmap()
199             SkColorTable* ct = bm->getColorTable();  // Index8 must have it.  in sanitize_indexed_bitmap()
208                 uint8_t* addr = static_cast<uint8_t*>(bm->getPixels());  in sanitize_indexed_bitmap()
209                 int height = bm->height();  in sanitize_indexed_bitmap()
210                 int width = bm->width();  in sanitize_indexed_bitmap()
211                 size_t rowBytes = bm->rowBytes();  in sanitize_indexed_bitmap()
225                     gif_warning(*bm, "Index out of bounds.");  in sanitize_indexed_bitmap()
243 SkImageDecoder::Result SkGIFImageDecoder::onDecode(SkStream* sk_stream, SkBitmap* bm, Mode mode) {  argument
250         return error_return(*bm, "DGifOpen");
271             return error_return(*bm, "DGifGetRecordType");
277                 return error_return(*bm, "IMAGE_DESC_RECORD_TYPE");
281                 return error_return(*bm, "ImageCount < 1");
295                 return error_return(*bm, "invalid dimensions");
300                 gif_warning(*bm, "image too wide, expanding output to size");
304                 gif_warning(*bm, "shifting image left to fit");
307                 gif_warning(*bm, "shifting image right to fit");
313                 gif_warning(*bm, "image too tall,  expanding output to size");
317                 gif_warning(*bm, "shifting image up to fit");
320                 gif_warning(*bm, "shifting image down to fit");
326             bm->setInfo(SkImageInfo::Make(sampler.scaledWidth(), sampler.scaledHeight(),
355                     gif_warning(*bm, "missing colormap");
369                 if (!this->allocPixelRef(bm, ctable)) {
370                     return error_return(*bm, "allocPixelRef");
376                 return error_return(*bm, "non-pos inner width/height");
379             SkAutoLockPixels alp(*bm);
393                 memset(bm->getPixels(), fillIndex, bm->getSize());
400                 if (!bm->extractSubset(&subset, subsetRect)) {
401                     return error_return(*bm, "Extract failed.");
407                 workingBitmap = bm;
415                 return error_return(*bm, "Sampler failed to begin.");
425                         gif_warning(*bm, "interlace DGifGetLine");
442                         gif_warning(*bm, "DGifGetLine");
460             sanitize_indexed_bitmap(bm);
471                 return error_return(*bm, "DGifGetExtension");
486                     return error_return(*bm, "AddExtensionBlock");
489                     return error_return(*bm, "DGifGetExtensionNext");
505     sanitize_indexed_bitmap(bm);