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-rw-r--r--core/fxcodec/lbmp/fx_bmp.cpp307
-rw-r--r--core/fxcodec/lbmp/fx_bmp.h24
2 files changed, 0 insertions, 331 deletions
diff --git a/core/fxcodec/lbmp/fx_bmp.cpp b/core/fxcodec/lbmp/fx_bmp.cpp
index f785505d22..1febce63eb 100644
--- a/core/fxcodec/lbmp/fx_bmp.cpp
+++ b/core/fxcodec/lbmp/fx_bmp.cpp
@@ -19,13 +19,6 @@ uint32_t GetDWord_LSBFirst(uint8_t* p) {
return p[0] | (p[1] << 8) | (p[2] << 16) | (p[3] << 24);
}
-void SetDWord_LSBFirst(uint8_t* p, uint32_t v) {
- p[0] = (uint8_t)v;
- p[1] = (uint8_t)(v >> 8);
- p[2] = (uint8_t)(v >> 16);
- p[3] = (uint8_t)(v >> 24);
-}
-
uint8_t HalfRoundUp(uint8_t value) {
uint16_t value16 = value;
return static_cast<uint8_t>((value16 + 1) / 2);
@@ -37,11 +30,6 @@ uint16_t GetWord_LSBFirst(uint8_t* p) {
return p[0] | (p[1] << 8);
}
-void SetWord_LSBFirst(uint8_t* p, uint16_t v) {
- p[0] = (uint8_t)v;
- p[1] = (uint8_t)(v >> 8);
-}
-
BMPDecompressor* bmp_create_decompress() {
BMPDecompressor* bmp_ptr = FX_Alloc(BMPDecompressor, 1);
memset(bmp_ptr, 0, sizeof(BMPDecompressor));
@@ -668,298 +656,3 @@ uint32_t BMPDecompressor::GetAvailInput(uint8_t** avail_buf) {
}
return avail_in;
}
-
-bmp_compress_struct_p bmp_create_compress() {
- bmp_compress_struct_p bmp_ptr;
- bmp_ptr = FX_Alloc(bmp_compress_struct, 1);
- if (bmp_ptr) {
- memset(bmp_ptr, 0, sizeof(bmp_compress_struct));
- }
- return bmp_ptr;
-}
-void bmp_destroy_compress(bmp_compress_struct_p bmp_ptr) {
- if (bmp_ptr) {
- if (bmp_ptr->src_free && bmp_ptr->src_buf) {
- FX_Free(bmp_ptr->src_buf);
- }
- FX_Free(bmp_ptr);
- }
-}
-static void WriteFileHeader(BmpFileHeaderPtr head_ptr, uint8_t* dst_buf) {
- uint32_t offset;
- offset = 0;
- SetWord_LSBFirst(&dst_buf[offset], head_ptr->bfType);
- offset += 2;
- SetDWord_LSBFirst(&dst_buf[offset], head_ptr->bfSize);
- offset += 4;
- SetWord_LSBFirst(&dst_buf[offset], head_ptr->bfReserved1);
- offset += 2;
- SetWord_LSBFirst(&dst_buf[offset], head_ptr->bfReserved2);
- offset += 2;
- SetDWord_LSBFirst(&dst_buf[offset], head_ptr->bfOffBits);
- offset += 4;
-}
-static void WriteInfoHeader(BmpInfoHeaderPtr info_head_ptr, uint8_t* dst_buf) {
- uint32_t offset;
- offset = sizeof(BmpFileHeader);
- SetDWord_LSBFirst(&dst_buf[offset], info_head_ptr->biSize);
- offset += 4;
- SetDWord_LSBFirst(&dst_buf[offset], info_head_ptr->biWidth);
- offset += 4;
- SetDWord_LSBFirst(&dst_buf[offset], info_head_ptr->biHeight);
- offset += 4;
- SetWord_LSBFirst(&dst_buf[offset], info_head_ptr->biPlanes);
- offset += 2;
- SetWord_LSBFirst(&dst_buf[offset], info_head_ptr->biBitCount);
- offset += 2;
- SetDWord_LSBFirst(&dst_buf[offset], info_head_ptr->biCompression);
- offset += 4;
- SetDWord_LSBFirst(&dst_buf[offset], info_head_ptr->biSizeImage);
- offset += 4;
- SetDWord_LSBFirst(&dst_buf[offset], info_head_ptr->biXPelsPerMeter);
- offset += 4;
- SetDWord_LSBFirst(&dst_buf[offset], info_head_ptr->biYPelsPerMeter);
- offset += 4;
- SetDWord_LSBFirst(&dst_buf[offset], info_head_ptr->biClrUsed);
- offset += 4;
- SetDWord_LSBFirst(&dst_buf[offset], info_head_ptr->biClrImportant);
- offset += 4;
-}
-static void bmp_encode_bitfields(bmp_compress_struct_p bmp_ptr,
- uint8_t*& dst_buf,
- uint32_t& dst_size) {
- if (bmp_ptr->info_header.biBitCount != 16 &&
- bmp_ptr->info_header.biBitCount != 32) {
- return;
- }
- uint32_t size, dst_pos, i;
- size = bmp_ptr->src_pitch * bmp_ptr->src_row *
- bmp_ptr->info_header.biBitCount / 16;
- dst_pos = bmp_ptr->file_header.bfOffBits;
- dst_size += size;
- dst_buf = FX_Realloc(uint8_t, dst_buf, dst_size);
- memset(&dst_buf[dst_pos], 0, size);
- uint32_t mask_red;
- uint32_t mask_green;
- uint32_t mask_blue;
- mask_red = 0x7C00;
- mask_green = 0x03E0;
- mask_blue = 0x001F;
- if (bmp_ptr->info_header.biCompression == BMP_BITFIELDS) {
- if (bmp_ptr->bit_type == BMP_BIT_565) {
- mask_red = 0xF800;
- mask_green = 0x07E0;
- mask_blue = 0x001F;
- }
- if (bmp_ptr->info_header.biBitCount == 32) {
- mask_red = 0xFF0000;
- mask_green = 0x00FF00;
- mask_blue = 0x0000FF;
- }
- SetDWord_LSBFirst(&dst_buf[dst_pos], mask_red);
- dst_pos += 4;
- SetDWord_LSBFirst(&dst_buf[dst_pos], mask_green);
- dst_pos += 4;
- SetDWord_LSBFirst(&dst_buf[dst_pos], mask_blue);
- dst_pos += 4;
- bmp_ptr->file_header.bfOffBits = dst_pos;
- }
- uint8_t blue_bits = 0;
- uint8_t green_bits = 0;
- uint8_t red_bits = 0;
- for (i = 0; i < bmp_ptr->info_header.biBitCount; i++) {
- if ((mask_blue >> i) & 0x01) {
- blue_bits++;
- }
- if ((mask_green >> i) & 0x01) {
- green_bits++;
- }
- if ((mask_red >> i) & 0x01) {
- red_bits++;
- }
- }
- green_bits += blue_bits;
- red_bits += green_bits;
- blue_bits = 8 - blue_bits;
- green_bits -= 8;
- red_bits -= 8;
- i = 0;
- for (int32_t row_num = bmp_ptr->src_row - 1; row_num > -1; row_num--, i = 0) {
- while (i < bmp_ptr->src_width * bmp_ptr->src_bpp / 8) {
- uint8_t b = bmp_ptr->src_buf[row_num * bmp_ptr->src_pitch + i++];
- uint8_t g = bmp_ptr->src_buf[row_num * bmp_ptr->src_pitch + i++];
- uint8_t r = bmp_ptr->src_buf[row_num * bmp_ptr->src_pitch + i++];
- if (bmp_ptr->src_bpp == 32) {
- i++;
- }
- uint32_t pix_val = 0;
- pix_val |= (b >> blue_bits) & mask_blue;
- pix_val |= (g << green_bits) & mask_green;
- pix_val |= (r << red_bits) & mask_red;
- if (bmp_ptr->info_header.biBitCount == 16) {
- SetWord_LSBFirst(&dst_buf[dst_pos], pix_val);
- dst_pos += 2;
- } else {
- SetDWord_LSBFirst(&dst_buf[dst_pos], pix_val);
- dst_pos += 4;
- }
- }
- }
- dst_size = dst_pos;
-}
-
-static void bmp_encode_rgb(bmp_compress_struct_p bmp_ptr,
- uint8_t*& dst_buf,
- uint32_t& dst_size) {
- if (bmp_ptr->info_header.biBitCount == 16) {
- bmp_encode_bitfields(bmp_ptr, dst_buf, dst_size);
- return;
- }
- uint32_t size, dst_pos;
- uint32_t dst_pitch =
- (bmp_ptr->src_width * bmp_ptr->info_header.biBitCount + 31) / 32 * 4;
- size = dst_pitch * bmp_ptr->src_row;
- dst_pos = bmp_ptr->file_header.bfOffBits;
- dst_size += size;
- dst_buf = FX_Realloc(uint8_t, dst_buf, dst_size);
- memset(&dst_buf[dst_pos], 0, size);
- for (int32_t row_num = bmp_ptr->src_row - 1; row_num > -1; row_num--) {
- memcpy(&dst_buf[dst_pos], &bmp_ptr->src_buf[row_num * bmp_ptr->src_pitch],
- bmp_ptr->src_pitch);
- dst_pos += dst_pitch;
- }
- dst_size = dst_pos;
-}
-static uint8_t bmp_rle8_search(const uint8_t* buf, int32_t len) {
- uint8_t num;
- num = 1;
- while (num < len) {
- if (buf[num - 1] != buf[num] || num == 0xFF) {
- break;
- }
- num++;
- }
- return num;
-}
-static void bmp_encode_rle8(bmp_compress_struct_p bmp_ptr,
- uint8_t*& dst_buf,
- uint32_t& dst_size) {
- uint32_t size, dst_pos, index;
- uint8_t rle[2] = {0};
- size = bmp_ptr->src_pitch * bmp_ptr->src_row * 2;
- dst_pos = bmp_ptr->file_header.bfOffBits;
- dst_size += size;
- dst_buf = FX_Realloc(uint8_t, dst_buf, dst_size);
- memset(&dst_buf[dst_pos], 0, size);
- for (int32_t row_num = bmp_ptr->src_row - 1, i = 0; row_num > -1;) {
- index = row_num * bmp_ptr->src_pitch;
- rle[0] = bmp_rle8_search(&bmp_ptr->src_buf[index + i], size - index - i);
- rle[1] = bmp_ptr->src_buf[index + i];
- if (i + rle[0] >= (int32_t)bmp_ptr->src_pitch) {
- rle[0] = uint8_t(bmp_ptr->src_pitch - i);
- if (rle[0]) {
- dst_buf[dst_pos++] = rle[0];
- dst_buf[dst_pos++] = rle[1];
- }
- dst_buf[dst_pos++] = RLE_MARKER;
- dst_buf[dst_pos++] = RLE_EOL;
- i = 0;
- row_num--;
- } else {
- i += rle[0];
- dst_buf[dst_pos++] = rle[0];
- dst_buf[dst_pos++] = rle[1];
- }
- }
- dst_buf[dst_pos++] = RLE_MARKER;
- dst_buf[dst_pos++] = RLE_EOI;
- dst_size = dst_pos;
-}
-static uint8_t bmp_rle4_search(const uint8_t* buf, int32_t len) {
- uint8_t num;
- num = 2;
- while (num < len) {
- if (buf[num - 2] != buf[num] || num == 0xFF) {
- break;
- }
- num++;
- }
- return num;
-}
-static void bmp_encode_rle4(bmp_compress_struct_p bmp_ptr,
- uint8_t*& dst_buf,
- uint32_t& dst_size) {
- uint32_t size, dst_pos, index;
- uint8_t rle[2] = {0};
- size = bmp_ptr->src_pitch * bmp_ptr->src_row;
- dst_pos = bmp_ptr->file_header.bfOffBits;
- dst_size += size;
- dst_buf = FX_Realloc(uint8_t, dst_buf, dst_size);
- memset(&dst_buf[dst_pos], 0, size);
- for (int32_t row_num = bmp_ptr->src_row - 1, i = 0; row_num > -1;
- rle[1] = 0) {
- index = row_num * bmp_ptr->src_pitch;
- rle[0] = bmp_rle4_search(&bmp_ptr->src_buf[index + i], size - index - i);
- rle[1] |= (bmp_ptr->src_buf[index + i] & 0x0f) << 4;
- rle[1] |= bmp_ptr->src_buf[index + i + 1] & 0x0f;
- if (i + rle[0] >= (int32_t)bmp_ptr->src_pitch) {
- rle[0] = uint8_t(bmp_ptr->src_pitch - i);
- if (rle[0]) {
- dst_buf[dst_pos++] = rle[0];
- dst_buf[dst_pos++] = rle[1];
- }
- dst_buf[dst_pos++] = RLE_MARKER;
- dst_buf[dst_pos++] = RLE_EOL;
- i = 0;
- row_num--;
- } else {
- i += rle[0];
- dst_buf[dst_pos++] = rle[0];
- dst_buf[dst_pos++] = rle[1];
- }
- }
- dst_buf[dst_pos++] = RLE_MARKER;
- dst_buf[dst_pos++] = RLE_EOI;
- dst_size = dst_pos;
-}
-bool bmp_encode_image(bmp_compress_struct_p bmp_ptr,
- uint8_t*& dst_buf,
- uint32_t& dst_size) {
- uint32_t head_size = sizeof(BmpFileHeader) + sizeof(BmpInfoHeader);
- uint32_t pal_size = sizeof(uint32_t) * bmp_ptr->pal_num;
- if (bmp_ptr->info_header.biClrUsed > 0 &&
- bmp_ptr->info_header.biClrUsed < bmp_ptr->pal_num) {
- pal_size = sizeof(uint32_t) * bmp_ptr->info_header.biClrUsed;
- }
- dst_size = head_size + sizeof(uint32_t) * bmp_ptr->pal_num;
- dst_buf = FX_TryAlloc(uint8_t, dst_size);
- if (!dst_buf)
- return false;
-
- memset(dst_buf, 0, dst_size);
- bmp_ptr->file_header.bfOffBits = head_size;
- if (bmp_ptr->pal_ptr && pal_size) {
- memcpy(&dst_buf[head_size], bmp_ptr->pal_ptr, pal_size);
- bmp_ptr->file_header.bfOffBits += pal_size;
- }
- WriteInfoHeader(&bmp_ptr->info_header, dst_buf);
- switch (bmp_ptr->info_header.biCompression) {
- case BMP_RGB:
- bmp_encode_rgb(bmp_ptr, dst_buf, dst_size);
- break;
- case BMP_BITFIELDS:
- bmp_encode_bitfields(bmp_ptr, dst_buf, dst_size);
- break;
- case BMP_RLE8:
- bmp_encode_rle8(bmp_ptr, dst_buf, dst_size);
- break;
- case BMP_RLE4:
- bmp_encode_rle4(bmp_ptr, dst_buf, dst_size);
- break;
- default:
- break;
- }
- bmp_ptr->file_header.bfSize = dst_size;
- WriteFileHeader(&bmp_ptr->file_header, dst_buf);
- return true;
-}
diff --git a/core/fxcodec/lbmp/fx_bmp.h b/core/fxcodec/lbmp/fx_bmp.h
index b16aecb02b..2612d7eb8c 100644
--- a/core/fxcodec/lbmp/fx_bmp.h
+++ b/core/fxcodec/lbmp/fx_bmp.h
@@ -138,30 +138,6 @@ class CBmpContext : public CCodec_BmpModule::Context {
char m_szLastError[256];
};
-typedef struct tag_bmp_compress_struct bmp_compress_struct;
-typedef bmp_compress_struct* bmp_compress_struct_p;
-typedef bmp_compress_struct_p* bmp_compress_struct_pp;
-struct tag_bmp_compress_struct {
- BmpFileHeader file_header;
- BmpInfoHeader info_header;
- uint8_t* src_buf;
- uint32_t src_pitch;
- uint32_t src_row;
- uint8_t src_bpp;
- uint32_t src_width;
- bool src_free;
- uint32_t* pal_ptr;
- uint16_t pal_num;
- uint8_t bit_type;
-};
-
-bmp_compress_struct_p bmp_create_compress();
-void bmp_destroy_compress(bmp_compress_struct_p bmp_ptr);
-bool bmp_encode_image(bmp_compress_struct_p bmp_ptr,
- uint8_t*& dst_buf,
- uint32_t& dst_size);
-
uint16_t GetWord_LSBFirst(uint8_t* p);
-void SetWord_LSBFirst(uint8_t* p, uint16_t v);
#endif // CORE_FXCODEC_LBMP_FX_BMP_H_
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-10 21:40:50 +0000