/*
- * Copyright (c) 2017 Samsung Electronics Co., Ltd.
+ * Copyright (c) 2022 Samsung Electronics Co., Ltd.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
#include <dali/devel-api/text-abstraction/font-client.h>
// INTERNAL INCLUDES
+#include <dali/internal/imaging/common/image-operations.h>
#include <dali/internal/text/text-abstraction/font-client-impl.h>
namespace Dali
{
-
namespace TextAbstraction
{
+const PointSize26Dot6 FontClient::DEFAULT_POINT_SIZE = 768u; // 12*64
+const float FontClient::DEFAULT_ITALIC_ANGLE = 12.f * Dali::Math::PI_OVER_180; // FreeType documentation states the software italic is done by doing a horizontal shear of 12 degrees (file ftsynth.h).
+
+//Default atlas block
+const bool FontClient::DEFAULT_ATLAS_LIMITATION_ENABLED = true;
+const uint32_t FontClient::DEFAULT_TEXT_ATLAS_WIDTH = 512u;
+const uint32_t FontClient::DEFAULT_TEXT_ATLAS_HEIGHT = 512u;
+const Size FontClient::DEFAULT_TEXT_ATLAS_SIZE(DEFAULT_TEXT_ATLAS_WIDTH, DEFAULT_TEXT_ATLAS_HEIGHT);
+
+//Maximum atlas block
+const uint32_t FontClient::MAX_TEXT_ATLAS_WIDTH = 1024u;
+const uint32_t FontClient::MAX_TEXT_ATLAS_HEIGHT = 1024u;
+const Size FontClient::MAX_TEXT_ATLAS_SIZE(MAX_TEXT_ATLAS_WIDTH, MAX_TEXT_ATLAS_HEIGHT);
+
+//MAX_WIDTH_FIT_IN_ATLAS: blockWidth + 2 * DOUBLE_PIXEL_PADDING + 1u <= atlasWidth
+//MAX_HEIGHT_FIT_IN_ATLAS: blockHeight + 2 * DOUBLE_PIXEL_PADDING + 1u <= atlasHeight
+const uint16_t FontClient::PADDING_TEXT_ATLAS_BLOCK = 5u; // 2 * DOUBLE_PIXEL_PADDING + 1u
-const PointSize26Dot6 FontClient::DEFAULT_POINT_SIZE = 768u; // 12*64
+//Maximum block size to fit into atlas block
+const Size FontClient::MAX_SIZE_FIT_IN_ATLAS(MAX_TEXT_ATLAS_WIDTH - PADDING_TEXT_ATLAS_BLOCK, MAX_TEXT_ATLAS_HEIGHT - PADDING_TEXT_ATLAS_BLOCK);
+
+const uint32_t FontClient::NUMBER_OF_POINTS_PER_ONE_UNIT_OF_POINT_SIZE = 64u; //Found this value from toolkit
+
+// FontClient::GlyphBufferData
FontClient::GlyphBufferData::GlyphBufferData()
-: buffer( nullptr ),
- width( 0u ),
- height( 0u ),
- format( Pixel::A8 )
+: buffer{nullptr},
+ width{0u},
+ height{0u},
+ outlineOffsetX{0},
+ outlineOffsetY{0},
+ format{Pixel::A8},
+ compressionType{CompressionType::NO_COMPRESSION},
+ isColorEmoji{false},
+ isColorBitmap{false},
+ isBufferOwned{false}
{
}
FontClient::GlyphBufferData::~GlyphBufferData()
{
+ if(isBufferOwned)
+ {
+ free(buffer);
+ }
+}
+
+FontClient::GlyphBufferData::GlyphBufferData(FontClient::GlyphBufferData&& rhs) noexcept
+: buffer{rhs.buffer},
+ width{rhs.width},
+ height{rhs.height},
+ outlineOffsetX{rhs.outlineOffsetX},
+ outlineOffsetY{rhs.outlineOffsetY},
+ format{rhs.format},
+ compressionType{rhs.compressionType},
+ isColorEmoji{rhs.isColorEmoji},
+ isColorBitmap{rhs.isColorBitmap},
+ isBufferOwned{rhs.isBufferOwned}
+{
+ // Remove moved data
+ rhs.buffer = nullptr;
+ rhs.isBufferOwned = false;
+}
+
+FontClient::GlyphBufferData& FontClient::GlyphBufferData::operator=(FontClient::GlyphBufferData&& rhs) noexcept
+{
+ buffer = rhs.buffer;
+ width = rhs.width;
+ height = rhs.height;
+ outlineOffsetX = rhs.outlineOffsetX;
+ outlineOffsetY = rhs.outlineOffsetY;
+ format = rhs.format;
+ compressionType = rhs.compressionType;
+ isColorEmoji = rhs.isColorEmoji;
+ isColorBitmap = rhs.isColorBitmap;
+ isBufferOwned = rhs.isBufferOwned;
+
+ // Remove moved data
+ rhs.buffer = nullptr;
+ rhs.isBufferOwned = false;
+
+ return *this;
}
+size_t FontClient::GlyphBufferData::Compress(const uint8_t* const __restrict__ inBuffer, GlyphBufferData& __restrict__ outBufferData)
+{
+ size_t bufferSize = 0u;
+ uint8_t*& __restrict__ compressedBuffer = outBufferData.buffer;
+ switch(outBufferData.compressionType)
+ {
+ case TextAbstraction::FontClient::GlyphBufferData::CompressionType::NO_COMPRESSION:
+ {
+ bufferSize = static_cast<size_t>(outBufferData.width) * static_cast<size_t>(outBufferData.height) * static_cast<size_t>(Pixel::GetBytesPerPixel(outBufferData.format));
+
+ compressedBuffer = (uint8_t*)malloc(bufferSize);
+ if(DALI_UNLIKELY(compressedBuffer == nullptr))
+ {
+ return 0u;
+ }
+ outBufferData.isBufferOwned = true;
+
+ // Copy buffer without compress
+ memcpy(compressedBuffer, inBuffer, bufferSize);
+ break;
+ }
+ case TextAbstraction::FontClient::GlyphBufferData::CompressionType::BPP_4:
+ {
+ const uint32_t widthByte = outBufferData.width * Pixel::GetBytesPerPixel(outBufferData.format);
+ const uint32_t componentCount = (widthByte >> 1);
+ const bool considerPadding = (widthByte & 1) ? true : false;
+
+ // For BIT_PER_PIXEL_4 type, we can know final compressed buffer size immediatly.
+ bufferSize = static_cast<size_t>(outBufferData.height) * static_cast<size_t>(componentCount + (considerPadding ? 1 : 0));
+ compressedBuffer = (uint8_t*)malloc(bufferSize);
+ if(DALI_UNLIKELY(compressedBuffer == nullptr))
+ {
+ return 0u;
+ }
+ outBufferData.isBufferOwned = true;
+
+ uint8_t* __restrict__ outBufferPtr = compressedBuffer;
+ const uint8_t* __restrict__ inBufferPtr = inBuffer;
+
+ // Compress for each line
+ for(uint32_t y = 0; y < outBufferData.height; ++y)
+ {
+ for(uint32_t x = 0; x < componentCount; ++x)
+ {
+ const uint8_t v0 = Dali::Internal::Platform::CompressBitPerPixel8To4(*(inBufferPtr++));
+ const uint8_t v1 = Dali::Internal::Platform::CompressBitPerPixel8To4(*(inBufferPtr++));
+
+ *(outBufferPtr++) = (v0 << 4) | v1;
+ }
+ if(considerPadding)
+ {
+ *(outBufferPtr++) = Dali::Internal::Platform::CompressBitPerPixel8To4(*(inBufferPtr++));
+ }
+ }
+ break;
+ }
+ case TextAbstraction::FontClient::GlyphBufferData::CompressionType::RLE_4:
+ {
+ const uint32_t widthByte = outBufferData.width * Pixel::GetBytesPerPixel(outBufferData.format);
+
+ // Allocate temperal buffer. Note that RLE4 can be bigger than original buffer.
+ uint8_t* __restrict__ tempBuffer = (uint8_t*)malloc(outBufferData.height * (widthByte + 1));
+ if(DALI_UNLIKELY(tempBuffer == nullptr))
+ {
+ return 0u;
+ }
+
+ uint8_t* __restrict__ outBufferPtr = tempBuffer;
+ const uint8_t* __restrict__ inBufferPtr = inBuffer;
+
+ bufferSize = 0u;
+
+ // Compress for each line
+ for(uint32_t y = 0; y < outBufferData.height; ++y)
+ {
+ uint32_t encodedByte = 0;
+ while(encodedByte < widthByte)
+ {
+ // Case 1 : Remain only 1 byte
+ if(DALI_UNLIKELY(encodedByte + 1 == widthByte))
+ {
+ const uint8_t prev0 = DALI_UNLIKELY(y == 0) ? 0 : Dali::Internal::Platform::CompressBitPerPixel8To4(*(inBufferPtr - widthByte));
+ const uint8_t v0 = (Dali::Internal::Platform::CompressBitPerPixel8To4(*(inBufferPtr++)) - prev0) & 0x0f; // Intented underflow
+ *(outBufferPtr++) = v0;
+ ++encodedByte;
+ ++bufferSize;
+ }
+ // Case 2 : Remain only 2 byte
+ else if(DALI_UNLIKELY(encodedByte + 2 == widthByte))
+ {
+ const uint8_t prev0 = DALI_UNLIKELY(y == 0) ? 0 : Dali::Internal::Platform::CompressBitPerPixel8To4(*(inBufferPtr - widthByte));
+ const uint8_t v0 = (Dali::Internal::Platform::CompressBitPerPixel8To4(*(inBufferPtr++)) - prev0) & 0x0f; // Intented underflow
+ const uint8_t prev1 = DALI_UNLIKELY(y == 0) ? 0 : Dali::Internal::Platform::CompressBitPerPixel8To4(*(inBufferPtr - widthByte));
+ const uint8_t v1 = (Dali::Internal::Platform::CompressBitPerPixel8To4(*(inBufferPtr++)) - prev1) & 0x0f; // Intented underflow
+ encodedByte += 2;
+ if(v0 == v1)
+ {
+ *(outBufferPtr++) = 0x80 | v0;
+ ++bufferSize;
+ }
+ else
+ {
+ *(outBufferPtr++) = 0x10 | v0;
+ *(outBufferPtr++) = v1 << 4;
+ bufferSize += 2;
+ }
+ }
+ // Case 3 : Normal case. Remain byte bigger or equal than 3.
+ else
+ {
+ // Compress rule -
+ // Read 2 byte as v0 and v1.
+ // - If v0 == v1, We can compress. mark the first bit as 1. and remain 3 bit mark as the "runLength - 2".
+ // runLength can be maximum 9.
+ // - If v0 != v1, We cannot compress. mark the first bit as 0. and remain 3 bit mark as the "(nonRunLength - 1) / 2"
+ // Due to the BitPerPixel is 4, nonRunLength should be odd value.
+ // nonRunLength cutted if v0 == v1.
+ // nonRunLength can be maximum 15.
+
+ const uint8_t prev0 = DALI_UNLIKELY(y == 0) ? 0 : Dali::Internal::Platform::CompressBitPerPixel8To4(*(inBufferPtr - widthByte));
+ const uint8_t v0 = (Dali::Internal::Platform::CompressBitPerPixel8To4(*(inBufferPtr++)) - prev0) & 0x0f; // Intented underflow
+ const uint8_t prev1 = DALI_UNLIKELY(y == 0) ? 0 : Dali::Internal::Platform::CompressBitPerPixel8To4(*(inBufferPtr - widthByte));
+ const uint8_t v1 = (Dali::Internal::Platform::CompressBitPerPixel8To4(*(inBufferPtr++)) - prev1) & 0x0f; // Intented underflow
+ encodedByte += 2;
+ // We can compress by RLE
+ if(v0 == v1)
+ {
+ uint8_t runLength = 2;
+ while(encodedByte < widthByte && runLength < 9)
+ {
+ const uint8_t prev2 = DALI_UNLIKELY(y == 0) ? 0 : Dali::Internal::Platform::CompressBitPerPixel8To4(*(inBufferPtr - widthByte));
+ const uint8_t v2 = (Dali::Internal::Platform::CompressBitPerPixel8To4(*(inBufferPtr)) - prev2) & 0x0f; // Intented underflow
+ if(v2 == v0)
+ {
+ ++inBufferPtr;
+ ++encodedByte;
+ ++runLength;
+ }
+ else
+ {
+ break;
+ }
+ }
+
+ // Update (runLength - 2) result.
+ *(outBufferPtr++) = ((0x8 | (runLength - 2)) << 4) | v0;
+ ++bufferSize;
+ }
+ // We cannot compress by RLE.
+ else
+ {
+ // Read one more value.
+ const uint8_t prev2 = DALI_UNLIKELY(y == 0) ? 0 : Dali::Internal::Platform::CompressBitPerPixel8To4(*(inBufferPtr - widthByte));
+ const uint8_t v2 = (Dali::Internal::Platform::CompressBitPerPixel8To4(*(inBufferPtr++)) - prev2) & 0x0f; // Intented underflow
+ ++encodedByte;
+
+ uint8_t nonRunLength = 3;
+ uint8_t* nonRunLengthHeaderPtr = outBufferPtr;
+ *(outBufferPtr++) = v0;
+ *(outBufferPtr++) = (v1 << 4) | v2;
+ bufferSize += 2;
+ while(encodedByte < widthByte && nonRunLength < 15)
+ {
+ if(DALI_LIKELY(encodedByte + 1 < widthByte))
+ {
+ const uint8_t prew0 = DALI_UNLIKELY(y == 0) ? 0 : Dali::Internal::Platform::CompressBitPerPixel8To4(*(inBufferPtr - widthByte));
+ const uint8_t w0 = (Dali::Internal::Platform::CompressBitPerPixel8To4(*(inBufferPtr)) - prew0) & 0x0f; // Intented underflow
+ const uint8_t prew1 = DALI_UNLIKELY(y == 0) ? 0 : Dali::Internal::Platform::CompressBitPerPixel8To4(*(inBufferPtr + 1 - widthByte));
+ const uint8_t w1 = (Dali::Internal::Platform::CompressBitPerPixel8To4(*(inBufferPtr + 1)) - prew1) & 0x0f; // Intented underflow
+ if(w0 == w1)
+ {
+ // Stop non-compress logic.
+ break;
+ }
+ else
+ {
+ ++bufferSize;
+ *(outBufferPtr++) = (w0 << 4) | w1;
+ inBufferPtr += 2;
+ encodedByte += 2;
+ nonRunLength += 2;
+ }
+ }
+ else
+ {
+ // Edge case. There is only one pixel remained.
+ const uint8_t prew0 = DALI_UNLIKELY(y == 0) ? 0 : Dali::Internal::Platform::CompressBitPerPixel8To4(*(inBufferPtr - widthByte));
+ const uint8_t w0 = (Dali::Internal::Platform::CompressBitPerPixel8To4(*(inBufferPtr)) - prew0) & 0x0f; // Intented underflow
+ {
+ ++bufferSize;
+ *(outBufferPtr++) = (w0 << 4);
+ ++encodedByte;
+ ++inBufferPtr;
+ // Increase nonRunLength 2 even latest value is invalid.
+ nonRunLength += 2;
+ }
+ }
+ }
+
+ // Update (nonRunLength-1)/2 result into header.
+ *(nonRunLengthHeaderPtr) |= (nonRunLength >> 1) << 4;
+ }
+ }
+ }
+ }
+
+ // Allocate and copy data
+ compressedBuffer = (uint8_t*)malloc(bufferSize);
+ if(DALI_UNLIKELY(compressedBuffer == nullptr))
+ {
+ free(tempBuffer);
+ return 0u;
+ }
+ outBufferData.isBufferOwned = true;
+
+ memcpy(compressedBuffer, tempBuffer, bufferSize);
+ free(tempBuffer);
+
+ break;
+ }
+ default:
+ {
+ break;
+ }
+ }
+
+ return bufferSize;
+}
+
+void FontClient::GlyphBufferData::Decompress(const GlyphBufferData& __restrict__ inBufferData, uint8_t* __restrict__ outBuffer)
+{
+ if(DALI_UNLIKELY(outBuffer == nullptr))
+ {
+ return;
+ }
+
+ switch(inBufferData.compressionType)
+ {
+ case TextAbstraction::FontClient::GlyphBufferData::CompressionType::NO_COMPRESSION:
+ {
+ const auto bufferSize = inBufferData.width * inBufferData.height * Pixel::GetBytesPerPixel(inBufferData.format);
+
+ // Copy buffer without compress
+ memcpy(outBuffer, inBufferData.buffer, bufferSize);
+ break;
+ }
+ case TextAbstraction::FontClient::GlyphBufferData::CompressionType::BPP_4:
+ {
+ const uint32_t widthByte = inBufferData.width * Pixel::GetBytesPerPixel(inBufferData.format);
+ const uint32_t componentCount = (widthByte >> 1);
+ const bool considerPadding = (widthByte & 1) ? true : false;
+
+ uint8_t* __restrict__ outBufferPtr = outBuffer;
+ const uint8_t* __restrict__ inBufferPtr = inBufferData.buffer;
+
+ // Compress for each line
+ for(uint32_t y = 0; y < inBufferData.height; ++y)
+ {
+ for(uint32_t x = 0; x < componentCount; ++x)
+ {
+ const uint8_t v = *(inBufferPtr++);
+ const uint8_t v0 = (v >> 4) & 0x0f;
+ const uint8_t v1 = v & 0x0f;
+
+ *(outBufferPtr++) = (v0 << 4) | v0;
+ *(outBufferPtr++) = (v1 << 4) | v1;
+ }
+ if(considerPadding)
+ {
+ const uint8_t v = *(inBufferPtr++);
+ *(outBufferPtr++) = (v << 4) | v;
+ }
+ }
+ break;
+ }
+ case TextAbstraction::FontClient::GlyphBufferData::CompressionType::RLE_4:
+ {
+ const uint32_t widthByte = inBufferData.width * Pixel::GetBytesPerPixel(inBufferData.format);
+
+ uint8_t* __restrict__ outBufferPtr = outBuffer;
+ const uint8_t* __restrict__ inBufferPtr = inBufferData.buffer;
+ // Compress for each line
+ for(uint32_t y = 0; y < inBufferData.height; ++y)
+ {
+ uint32_t x = 0;
+ uint32_t decodedByte = 0;
+ while(decodedByte < widthByte)
+ {
+ const uint8_t v = *(inBufferPtr++);
+ ++x;
+ // Compress by RLE
+ if(v & 0x80)
+ {
+ const uint8_t runLength = ((v >> 4) & 0x07) + 2u;
+ decodedByte += runLength;
+ const uint8_t repeatValue = v & 0x0f;
+ for(uint8_t iter = 0; iter < runLength; ++iter)
+ {
+ const uint8_t prev0 = DALI_UNLIKELY(y == 0) ? 0 : (*(outBufferPtr - widthByte)) & 0x0f;
+ const uint8_t v0 = (prev0 + repeatValue) & 0x0f;
+ *(outBufferPtr++) = (v0 << 4) | v0;
+ }
+ }
+ // Not compress by RLE
+ else
+ {
+ const uint8_t nonRunLength = (((v >> 4) & 0x07) << 1u) + 1u;
+ decodedByte += nonRunLength;
+ // First value.
+ const uint8_t prev0 = DALI_UNLIKELY(y == 0) ? 0 : (*(outBufferPtr - widthByte)) & 0x0f;
+ const uint8_t v0 = (prev0 + (v & 0x0f)) & 0x0f;
+ *(outBufferPtr++) = (v0 << 4) | v0;
+
+ const bool ignoreLastValue = decodedByte > widthByte ? true : false;
+ if(DALI_UNLIKELY(ignoreLastValue))
+ {
+ --decodedByte;
+ for(uint8_t iter = 1; iter + 2 < nonRunLength; iter += 2)
+ {
+ const uint8_t w = *(inBufferPtr++);
+ const uint8_t prew0 = DALI_UNLIKELY(y == 0) ? 0 : (*(outBufferPtr - widthByte)) & 0x0f;
+ const uint8_t w0 = (prew0 + ((w >> 4) & 0x0f)) & 0x0f;
+ const uint8_t prew1 = DALI_UNLIKELY(y == 0) ? 0 : (*(outBufferPtr - widthByte + 1)) & 0x0f;
+ const uint8_t w1 = (prew1 + (w & 0x0f)) & 0x0f;
+ ++x;
+
+ *(outBufferPtr++) = (w0 << 4) | w0;
+ *(outBufferPtr++) = (w1 << 4) | w1;
+ }
+ // Last value.
+ {
+ const uint8_t w = ((*(inBufferPtr++)) >> 4) & 0x0f;
+ const uint8_t prew0 = DALI_UNLIKELY(y == 0) ? 0 : (*(outBufferPtr - widthByte)) & 0x0f;
+ const uint8_t w0 = (prew0 + w) & 0x0f;
+ ++x;
+
+ *(outBufferPtr++) = (w0 << 4) | w0;
+ }
+ }
+ else
+ {
+ for(uint8_t iter = 1; iter < nonRunLength; iter += 2)
+ {
+ const uint8_t w = *(inBufferPtr++);
+ const uint8_t prew0 = DALI_UNLIKELY(y == 0) ? 0 : (*(outBufferPtr - widthByte)) & 0x0f;
+ const uint8_t w0 = (prew0 + ((w >> 4) & 0x0f)) & 0x0f;
+ const uint8_t prew1 = DALI_UNLIKELY(y == 0) ? 0 : (*(outBufferPtr - widthByte + 1)) & 0x0f;
+ const uint8_t w1 = (prew1 + (w & 0x0f)) & 0x0f;
+ ++x;
+
+ *(outBufferPtr++) = (w0 << 4) | w0;
+ *(outBufferPtr++) = (w1 << 4) | w1;
+ }
+ }
+ }
+ }
+ }
+ break;
+ }
+ default:
+ {
+ break;
+ }
+ }
+}
+
+void FontClient::GlyphBufferData::DecompressScanline(const GlyphBufferData& __restrict__ inBufferData, uint8_t* __restrict__ outBuffer, uint32_t& __restrict__ offset)
+{
+ switch(inBufferData.compressionType)
+ {
+ case TextAbstraction::FontClient::GlyphBufferData::CompressionType::NO_COMPRESSION:
+ {
+ const auto bufferSize = inBufferData.width * Pixel::GetBytesPerPixel(inBufferData.format);
+
+ // Copy buffer without compress
+ memcpy(outBuffer, inBufferData.buffer + offset, bufferSize);
+
+ // Update offset
+ offset += bufferSize;
+ break;
+ }
+ case TextAbstraction::FontClient::GlyphBufferData::CompressionType::BPP_4:
+ {
+ const uint32_t widthByte = inBufferData.width * Pixel::GetBytesPerPixel(inBufferData.format);
+ const uint32_t componentCount = (widthByte >> 1);
+ const bool considerPadding = (widthByte & 1) ? true : false;
+
+ uint8_t* __restrict__ outBufferPtr = outBuffer;
+ const uint8_t* __restrict__ inBufferPtr = inBufferData.buffer + offset;
+
+ // Decompress scanline
+ for(uint32_t x = 0; x < componentCount; ++x)
+ {
+ const uint8_t v = *(inBufferPtr++);
+ const uint8_t v0 = (v >> 4) & 0x0f;
+ const uint8_t v1 = v & 0x0f;
+
+ *(outBufferPtr++) = (v0 << 4) | v0;
+ *(outBufferPtr++) = (v1 << 4) | v1;
+ }
+ if(considerPadding)
+ {
+ const uint8_t v = *(inBufferPtr++);
+ *(outBufferPtr++) = (v << 4) | v;
+ }
+
+ // Update offset
+ offset += (widthByte + 1u) >> 1u;
+ break;
+ }
+ case TextAbstraction::FontClient::GlyphBufferData::CompressionType::RLE_4:
+ {
+ const uint32_t widthByte = inBufferData.width * Pixel::GetBytesPerPixel(inBufferData.format);
+
+ uint8_t* __restrict__ outBufferPtr = outBuffer;
+ const uint8_t* __restrict__ inBufferPtr = inBufferData.buffer + offset;
+
+ // If offset is zero, fill outBuffer as 0 first.
+ if(DALI_UNLIKELY(offset == 0))
+ {
+ memset(outBufferPtr, 0, widthByte);
+ }
+
+ // Decompress scanline
+ uint32_t decodedByte = 0;
+ while(decodedByte < widthByte)
+ {
+ const uint8_t v = *(inBufferPtr++);
+ ++offset;
+ // Compress by RLE
+ if(v & 0x80)
+ {
+ const uint8_t runLength = ((v >> 4) & 0x07) + 2u;
+ decodedByte += runLength;
+ const uint8_t repeatValue = (v & 0x0f);
+ for(uint8_t iter = 0; iter < runLength; ++iter)
+ {
+ const uint8_t prev0 = (*(outBufferPtr)) & 0x0f;
+ const uint8_t v0 = (prev0 + repeatValue) & 0x0f;
+ *(outBufferPtr++) = (v0 << 4) | v0;
+ }
+ }
+ // Not compress by RLE
+ else
+ {
+ const uint8_t nonRunLength = (((v >> 4) & 0x07) << 1u) + 1u;
+ decodedByte += nonRunLength;
+ // First value.
+ const uint8_t prev0 = (*(outBufferPtr)) & 0x0f;
+ const uint8_t v0 = (prev0 + (v & 0x0f)) & 0x0f;
+ *(outBufferPtr++) = (v0 << 4) | v0;
+
+ const bool ignoreLastValue = decodedByte > widthByte ? true : false;
+ if(DALI_UNLIKELY(ignoreLastValue))
+ {
+ --decodedByte;
+ for(uint8_t iter = 1; iter + 2 < nonRunLength; iter += 2)
+ {
+ const uint8_t w = *(inBufferPtr++);
+ const uint8_t prew0 = (*(outBufferPtr)) & 0x0f;
+ const uint8_t w0 = (prew0 + ((w >> 4) & 0x0f)) & 0x0f;
+ const uint8_t prew1 = (*(outBufferPtr + 1)) & 0x0f;
+ const uint8_t w1 = (prew1 + (w & 0x0f)) & 0x0f;
+ ++offset;
+
+ *(outBufferPtr++) = (w0 << 4) | w0;
+ *(outBufferPtr++) = (w1 << 4) | w1;
+ }
+ // Last value.
+ {
+ const uint8_t w = ((*(inBufferPtr++)) >> 4) & 0x0f;
+ const uint8_t prew0 = (*(outBufferPtr)) & 0x0f;
+ const uint8_t w0 = (prew0 + w) & 0x0f;
+ ++offset;
+
+ *(outBufferPtr++) = (w0 << 4) | w0;
+ }
+ }
+ else
+ {
+ for(uint8_t iter = 1; iter < nonRunLength; iter += 2)
+ {
+ const uint8_t w = *(inBufferPtr++);
+ const uint8_t prew0 = (*(outBufferPtr)) & 0x0f;
+ const uint8_t w0 = (prew0 + ((w >> 4) & 0x0f)) & 0x0f;
+ const uint8_t prew1 = (*(outBufferPtr + 1)) & 0x0f;
+ const uint8_t w1 = (prew1 + (w & 0x0f)) & 0x0f;
+ ++offset;
+
+ *(outBufferPtr++) = (w0 << 4) | w0;
+ *(outBufferPtr++) = (w1 << 4) | w1;
+ }
+ }
+ }
+ }
+ break;
+ }
+ default:
+ {
+ break;
+ }
+ }
+}
+
+// FontClient
+
FontClient FontClient::Get()
{
return Internal::FontClient::Get();
{
}
-FontClient::FontClient( const FontClient& handle )
-: BaseHandle( handle )
-{
-}
+FontClient::FontClient(const FontClient& handle) = default;
+
+FontClient& FontClient::operator=(const FontClient& handle) = default;
-FontClient& FontClient::operator=( const FontClient& handle )
+FontClient::FontClient(FontClient&& handle) = default;
+
+FontClient& FontClient::operator=(FontClient&& handle) = default;
+
+void FontClient::ClearCache()
{
- BaseHandle::operator=( handle );
- return *this;
+ GetImplementation(*this).ClearCache();
}
-void FontClient::SetDpi( unsigned int horizontalDpi, unsigned int verticalDpi )
+void FontClient::SetDpi(unsigned int horizontalDpi, unsigned int verticalDpi)
{
- GetImplementation(*this).SetDpi( horizontalDpi, verticalDpi );
+ GetImplementation(*this).SetDpi(horizontalDpi, verticalDpi);
}
-void FontClient::GetDpi( unsigned int& horizontalDpi, unsigned int& verticalDpi )
+void FontClient::GetDpi(unsigned int& horizontalDpi, unsigned int& verticalDpi)
{
- GetImplementation(*this).GetDpi( horizontalDpi, verticalDpi );
+ GetImplementation(*this).GetDpi(horizontalDpi, verticalDpi);
}
int FontClient::GetDefaultFontSize()
GetImplementation(*this).ResetSystemDefaults();
}
-void FontClient::GetDefaultFonts( FontList& defaultFonts )
+void FontClient::GetDefaultFonts(FontList& defaultFonts)
+{
+ GetImplementation(*this).GetDefaultFonts(defaultFonts);
+}
+
+void FontClient::InitDefaultFontDescription()
+{
+ GetImplementation(*this).InitDefaultFontDescription();
+}
+
+void FontClient::GetDefaultPlatformFontDescription(FontDescription& fontDescription)
+{
+ GetImplementation(*this).GetDefaultPlatformFontDescription(fontDescription);
+}
+
+void FontClient::GetSystemFonts(FontList& systemFonts)
+{
+ GetImplementation(*this).GetSystemFonts(systemFonts);
+}
+
+void FontClient::GetDescription(FontId fontId, FontDescription& fontDescription)
+{
+ GetImplementation(*this).GetDescription(fontId, fontDescription);
+}
+
+PointSize26Dot6 FontClient::GetPointSize(FontId fontId)
+{
+ return GetImplementation(*this).GetPointSize(fontId);
+}
+
+bool FontClient::IsCharacterSupportedByFont(FontId fontId, Character character)
+{
+ return GetImplementation(*this).IsCharacterSupportedByFont(fontId, character);
+}
+
+FontId FontClient::FindDefaultFont(Character charcode,
+ PointSize26Dot6 requestedPointSize,
+ bool preferColor)
+{
+ return GetImplementation(*this).FindDefaultFont(charcode,
+ requestedPointSize,
+ preferColor);
+}
+
+FontId FontClient::FindFallbackFont(Character charcode,
+ const FontDescription& preferredFontDescription,
+ PointSize26Dot6 requestedPointSize,
+ bool preferColor)
+{
+ return GetImplementation(*this).FindFallbackFont(charcode, preferredFontDescription, requestedPointSize, preferColor);
+}
+
+FontId FontClient::GetFontId(const FontPath& path, PointSize26Dot6 requestedPointSize, FaceIndex faceIndex)
+{
+ return GetImplementation(*this).GetFontId(path, requestedPointSize, faceIndex);
+}
+
+FontId FontClient::GetFontId(const FontDescription& fontDescription,
+ PointSize26Dot6 requestedPointSize,
+ FaceIndex faceIndex)
+{
+ return GetImplementation(*this).GetFontId(fontDescription,
+ requestedPointSize,
+ faceIndex);
+}
+
+FontId FontClient::GetFontId(const BitmapFont& bitmapFont)
+{
+ return GetImplementation(*this).GetFontId(bitmapFont);
+}
+
+bool FontClient::IsScalable(const FontPath& path)
+{
+ return GetImplementation(*this).IsScalable(path);
+}
+
+bool FontClient::IsScalable(const FontDescription& fontDescription)
+{
+ return GetImplementation(*this).IsScalable(fontDescription);
+}
+
+void FontClient::GetFixedSizes(const FontPath& path, Dali::Vector<PointSize26Dot6>& sizes)
+{
+ GetImplementation(*this).GetFixedSizes(path, sizes);
+}
+
+void FontClient::GetFixedSizes(const FontDescription& fontDescription,
+ Dali::Vector<PointSize26Dot6>& sizes)
+{
+ GetImplementation(*this).GetFixedSizes(fontDescription, sizes);
+}
+
+bool FontClient::HasItalicStyle(FontId fontId) const
{
- GetImplementation(*this).GetDefaultFonts( defaultFonts );
+ return GetImplementation(*this).HasItalicStyle(fontId);
}
-void FontClient::GetDefaultPlatformFontDescription( FontDescription& fontDescription )
+void FontClient::GetFontMetrics(FontId fontId, FontMetrics& metrics)
{
- GetImplementation(*this).GetDefaultPlatformFontDescription( fontDescription );
+ GetImplementation(*this).GetFontMetrics(fontId, metrics);
}
-void FontClient::GetSystemFonts( FontList& systemFonts )
+GlyphIndex FontClient::GetGlyphIndex(FontId fontId, Character charcode)
{
- GetImplementation(*this).GetSystemFonts( systemFonts );
+ return GetImplementation(*this).GetGlyphIndex(fontId, charcode);
}
-void FontClient::GetDescription( FontId id, FontDescription& fontDescription )
+GlyphIndex FontClient::GetGlyphIndex(FontId fontId, Character charcode, Character variantSelector)
{
- GetImplementation(*this).GetDescription( id, fontDescription );
+ return GetImplementation(*this).GetGlyphIndex(fontId, charcode, variantSelector);
}
-PointSize26Dot6 FontClient::GetPointSize( FontId id )
+bool FontClient::GetGlyphMetrics(GlyphInfo* array, uint32_t size, GlyphType type, bool horizontal)
{
- return GetImplementation(*this).GetPointSize( id );
+ return GetImplementation(*this).GetGlyphMetrics(array, size, type, horizontal);
}
-bool FontClient::IsCharacterSupportedByFont( FontId fontId, Character character )
+void FontClient::CreateBitmap(FontId fontId, GlyphIndex glyphIndex, bool isItalicRequired, bool isBoldRequired, GlyphBufferData& data, int outlineWidth)
{
- return GetImplementation(*this).IsCharacterSupportedByFont( fontId, character );
+ GetImplementation(*this).CreateBitmap(fontId, glyphIndex, isItalicRequired, isBoldRequired, data, outlineWidth);
}
-FontId FontClient::FindDefaultFont( Character charcode,
- PointSize26Dot6 requestedPointSize,
- bool preferColor )
+PixelData FontClient::CreateBitmap(FontId fontId, GlyphIndex glyphIndex, int outlineWidth)
{
- return GetImplementation(*this).FindDefaultFont( charcode,
- requestedPointSize,
- preferColor );
+ return GetImplementation(*this).CreateBitmap(fontId, glyphIndex, outlineWidth);
}
-FontId FontClient::FindFallbackFont( Character charcode,
- const FontDescription& preferredFontDescription,
- PointSize26Dot6 requestedPointSize,
- bool preferColor )
+void FontClient::CreateVectorBlob(FontId fontId, GlyphIndex glyphIndex, VectorBlob*& blob, unsigned int& blobLength, unsigned int& nominalWidth, unsigned int& nominalHeight)
{
- return GetImplementation(*this).FindFallbackFont( charcode, preferredFontDescription, requestedPointSize, preferColor );
+ GetImplementation(*this).CreateVectorBlob(fontId, glyphIndex, blob, blobLength, nominalWidth, nominalHeight);
}
-FontId FontClient::GetFontId( const FontPath& path, PointSize26Dot6 requestedPointSize, FaceIndex faceIndex )
+const GlyphInfo& FontClient::GetEllipsisGlyph(PointSize26Dot6 requestedPointSize)
{
- return GetImplementation(*this).GetFontId( path, requestedPointSize, faceIndex );
+ return GetImplementation(*this).GetEllipsisGlyph(requestedPointSize);
}
-FontId FontClient::GetFontId( const FontDescription& fontDescription,
- PointSize26Dot6 requestedPointSize,
- FaceIndex faceIndex )
+bool FontClient::IsColorGlyph(FontId fontId, GlyphIndex glyphIndex)
{
- return GetImplementation(*this).GetFontId( fontDescription,
- requestedPointSize,
- faceIndex );
+ return GetImplementation(*this).IsColorGlyph(fontId, glyphIndex);
}
-bool FontClient::IsScalable( const FontPath& path )
+bool FontClient::AddCustomFontDirectory(const FontPath& path)
{
- return GetImplementation(*this).IsScalable( path );
+ return GetImplementation(*this).AddCustomFontDirectory(path);
}
-bool FontClient::IsScalable( const FontDescription& fontDescription )
+GlyphIndex FontClient::CreateEmbeddedItem(const EmbeddedItemDescription& description, Pixel::Format& pixelFormat)
{
- return GetImplementation(*this).IsScalable( fontDescription );
+ return GetImplementation(*this).CreateEmbeddedItem(description, pixelFormat);
}
-void FontClient::GetFixedSizes( const FontPath& path, Dali::Vector< PointSize26Dot6>& sizes )
+void FontClient::EnableAtlasLimitation(bool enabled)
{
- GetImplementation(*this).GetFixedSizes( path, sizes );
+ return GetImplementation(*this).EnableAtlasLimitation(enabled);
}
-void FontClient::GetFixedSizes( const FontDescription& fontDescription,
- Dali::Vector< PointSize26Dot6 >& sizes )
+bool FontClient::IsAtlasLimitationEnabled() const
{
- GetImplementation(*this).GetFixedSizes( fontDescription, sizes );
+ return GetImplementation(*this).IsAtlasLimitationEnabled();
}
-void FontClient::GetFontMetrics( FontId fontId, FontMetrics& metrics )
+Size FontClient::GetMaximumTextAtlasSize() const
{
- GetImplementation(*this).GetFontMetrics( fontId, metrics );
+ return GetImplementation(*this).GetMaximumTextAtlasSize();
}
-GlyphIndex FontClient::GetGlyphIndex( FontId fontId, Character charcode )
+Size FontClient::GetDefaultTextAtlasSize() const
{
- return GetImplementation(*this).GetGlyphIndex( fontId, charcode );
+ return GetImplementation(*this).GetDefaultTextAtlasSize();
}
-bool FontClient::GetGlyphMetrics( GlyphInfo* array, uint32_t size, GlyphType type, bool horizontal )
+Size FontClient::GetCurrentMaximumBlockSizeFitInAtlas() const
{
- return GetImplementation(*this).GetGlyphMetrics( array, size, type, horizontal );
+ return GetImplementation(*this).GetCurrentMaximumBlockSizeFitInAtlas();
}
-void FontClient::CreateBitmap( FontId fontId, GlyphIndex glyphIndex, bool softwareItalic, bool softwareBold, GlyphBufferData& data, int outlineWidth )
+bool FontClient::SetCurrentMaximumBlockSizeFitInAtlas(const Size& currentMaximumBlockSizeFitInAtlas)
{
- GetImplementation(*this).CreateBitmap( fontId, glyphIndex, softwareItalic, softwareBold, data, outlineWidth );
+ return GetImplementation(*this).SetCurrentMaximumBlockSizeFitInAtlas(currentMaximumBlockSizeFitInAtlas);
}
-PixelData FontClient::CreateBitmap( FontId fontId, GlyphIndex glyphIndex, int outlineWidth )
+uint32_t FontClient::GetNumberOfPointsPerOneUnitOfPointSize() const
{
- return GetImplementation(*this).CreateBitmap( fontId, glyphIndex, outlineWidth );
+ return GetImplementation(*this).GetNumberOfPointsPerOneUnitOfPointSize();
}
-void FontClient::CreateVectorBlob( FontId fontId, GlyphIndex glyphIndex, VectorBlob*& blob, unsigned int& blobLength, unsigned int& nominalWidth, unsigned int& nominalHeight )
+FontClient::FontClient(Internal::FontClient* internal)
+: BaseHandle(internal)
{
- GetImplementation(*this).CreateVectorBlob( fontId, glyphIndex, blob, blobLength, nominalWidth, nominalHeight );
}
-const GlyphInfo& FontClient::GetEllipsisGlyph( PointSize26Dot6 requestedPointSize )
+FontClient FontClientPreInitialize()
{
- return GetImplementation(*this).GetEllipsisGlyph( requestedPointSize );
+ return Internal::FontClient::PreInitialize();
}
-bool FontClient::IsColorGlyph( FontId fontId, GlyphIndex glyphIndex )
+void FontClientPreCache(const FontFamilyList& fallbackFamilyList, const FontFamilyList& extraFamilyList, const FontFamily& localeFamily, bool useThread)
{
- return GetImplementation(*this).IsColorGlyph( fontId, glyphIndex );
+ Internal::FontClient::PreCache(fallbackFamilyList, extraFamilyList, localeFamily, useThread);
}
-FontClient::FontClient( Internal::FontClient* internal )
-: BaseHandle( internal )
+void FontClientFontPreLoad(const FontPathList& fontPathList, const FontPathList& memoryFontPathList, bool useThread)
{
+ Internal::FontClient::PreLoad(fontPathList, memoryFontPathList, useThread);
}
} // namespace TextAbstraction
projects / platform / core / uifw / dali-adaptor.git / blobdiff