Index8 is dead, remove guarded code

Needs google3 to be updated before this can land.

Bug: skia:6828
Change-Id: I2c16be13c6937ffa48768cc24f9f980171c824d6
Reviewed-on: https://skia-review.googlesource.com/23940
Reviewed-by: Leon Scroggins <scroggo@google.com>
Commit-Queue: Mike Reed <reed@google.com>

1 files changed, 1 insertions, 81 deletions

diff --git a/src/pdf/SkPDFBitmap.cpp b/src/pdf/SkPDFBitmap.cpp
index 47facff8c3..d0dcce6b3c 100644
--- a/src/pdf/SkPDFBitmap.cpp
+++ b/src/pdf/SkPDFBitmap.cpp
@@ -20,18 +20,7 @@ void image_get_ro_pixels(const SkImage* image, SkBitmap* dst) {
     SkColorSpace* legacyColorSpace = nullptr;
     if(as_IB(image)->getROPixels(dst, legacyColorSpace)
        && dst->dimensions() == image->dimensions()) {
-#ifdef SK_SUPPORT_LEGACY_INDEX_8_COLORTYPE
-        if (dst->colorType() != kIndex_8_SkColorType) {
-            return;
-        }
-        if (!dst->getColorTable()) {
-            // We can't use an indexed bitmap with no colortable.
-            dst->reset();
-        } else
-#endif
-        {
-            return;
-        }
+        return;
     }
     // no pixels or wrong size: fill with zeros.
     dst->setInfo(SkImageInfo::MakeN32(image->width(), image->height(), image->alphaType()));
@@ -166,9 +155,6 @@ static size_t pdf_color_component_count(SkColorType ct) {
         case kBGRA_8888_SkColorType:
             return 3;
         case kAlpha_8_SkColorType:
-#ifdef SK_SUPPORT_LEGACY_INDEX_8_COLORTYPE
-        case kIndex_8_SkColorType:
-#endif
         case kGray_8_SkColorType:
             return 1;
         case kUnknown_SkColorType:
@@ -239,9 +225,6 @@ static void bitmap_to_pdf_pixels(const SkBitmap& bitmap, SkWStream* out) {
             fill_stream(out, '\x00', pixel_count(bm));
             return;
         case kGray_8_SkColorType:
-#ifdef SK_SUPPORT_LEGACY_INDEX_8_COLORTYPE
-        case kIndex_8_SkColorType:
-#endif
             SkASSERT(1 == pdf_color_component_count(colorType));
             // these two formats need no transformation to serialize.
             for (int y = 0; y < bm.height(); ++y) {
@@ -284,22 +267,6 @@ static void bitmap_alpha_to_a8(const SkBitmap& bitmap, SkWStream* out) {
                 out->write(bm.getAddr8(0, y), bm.width());
             }
             return;
-#ifdef SK_SUPPORT_LEGACY_INDEX_8_COLORTYPE
-        case kIndex_8_SkColorType: {
-            SkColorTable* ct = bm.getColorTable();
-            SkASSERT(ct);
-            SkAutoTMalloc<uint8_t> scanline(bm.width());
-            for (int y = 0; y < bm.height(); ++y) {
-                uint8_t* dst = scanline.get();
-                const uint8_t* src = bm.getAddr8(0, y);
-                for (int x = 0; x < bm.width(); ++x) {
-                    *dst++ = SkGetPackedA32((*ct)[*src++]);
-                }
-                out->write(scanline.get(), bm.width());
-            }
-            return;
-        }
-#endif
         case kRGB_565_SkColorType:
         case kGray_8_SkColorType:
             SkDEBUGFAIL("color type has no alpha");
@@ -313,46 +280,6 @@ static void bitmap_alpha_to_a8(const SkBitmap& bitmap, SkWStream* out) {
     }
 }
 
-#ifdef SK_SUPPORT_LEGACY_INDEX_8_COLORTYPE
-static sk_sp<SkPDFArray> make_indexed_color_space(
-        const SkColorTable* table,
-        SkAlphaType alphaType) {
-    auto result = sk_make_sp<SkPDFArray>();
-    result->reserve(4);
-    result->appendName("Indexed");
-    result->appendName("DeviceRGB");
-    SkASSERT(table);
-    if (table->count() < 1) {
-        result->appendInt(0);
-        char shortTableArray[3] = {0, 0, 0};
-        SkString tableString(shortTableArray, SK_ARRAY_COUNT(shortTableArray));
-        result->appendString(tableString);
-        return result;
-    }
-    result->appendInt(table->count() - 1);  // maximum color index.
-
-    // Potentially, this could be represented in fewer bytes with a stream.
-    // Max size as a string is 1.5k.
-    char tableArray[256 * 3];
-    SkASSERT(3u * table->count() <= SK_ARRAY_COUNT(tableArray));
-    uint8_t* tablePtr = reinterpret_cast<uint8_t*>(tableArray);
-    const SkPMColor* colors = table->readColors();
-    for (int i = 0; i < table->count(); i++) {
-        if (alphaType == kPremul_SkAlphaType) {
-            pmcolor_to_rgb24(colors[i], tablePtr, kN32_SkColorType);
-            tablePtr += 3;
-        } else {
-            *tablePtr++ = SkGetR32Component(colors[i], kN32_SkColorType);
-            *tablePtr++ = SkGetG32Component(colors[i], kN32_SkColorType);
-            *tablePtr++ = SkGetB32Component(colors[i], kN32_SkColorType);
-        }
-    }
-    SkString tableString(tableArray, 3 * table->count());
-    result->appendString(tableString);
-    return result;
-}
-#endif
-
 static void emit_image_xobject(SkWStream* stream,
                                const SkImage* image,
                                bool alpha,
@@ -377,13 +304,6 @@ static void emit_image_xobject(SkWStream* stream,
     pdfDict.insertInt("Height", bitmap.height());
     if (alpha) {
         pdfDict.insertName("ColorSpace", "DeviceGray");
-#ifdef SK_SUPPORT_LEGACY_INDEX_8_COLORTYPE
-    } else if (bitmap.colorType() == kIndex_8_SkColorType) {
-        SkASSERT(1 == pdf_color_component_count(bitmap.colorType()));
-        pdfDict.insertObject("ColorSpace",
-                             make_indexed_color_space(bitmap.getColorTable(),
-                                                      bitmap.alphaType()));
-#endif
     } else if (1 == pdf_color_component_count(bitmap.colorType())) {
         pdfDict.insertName("ColorSpace", "DeviceGray");
     } else {