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authorLei Zhang <thestig@chromium.org>2016-02-25 12:39:15 -0800
committerLei Zhang <thestig@chromium.org>2016-02-25 12:39:15 -0800
commit4467dea020b2c19588cc06ce1ece46cd99f3c7df (patch)
treee96a26e6bef14ba081bd1658ef7f3f171a20218f /core/src/fxcodec/lbmp
parent3a479763796edeb8cf5acc8735a16878ad6bfeb9 (diff)
downloadpdfium-4467dea020b2c19588cc06ce1ece46cd99f3c7df.tar.xz
Rename some functions that start with underscore.
Fix misc issues along the way. R=tsepez@chromium.org Review URL: https://codereview.chromium.org/1739623002 .
Diffstat (limited to 'core/src/fxcodec/lbmp')
-rw-r--r--core/src/fxcodec/lbmp/fx_bmp.cpp364
-rw-r--r--core/src/fxcodec/lbmp/fx_bmp.h63
2 files changed, 204 insertions, 223 deletions
diff --git a/core/src/fxcodec/lbmp/fx_bmp.cpp b/core/src/fxcodec/lbmp/fx_bmp.cpp
index 2a0e227e46..07e83a1618 100644
--- a/core/src/fxcodec/lbmp/fx_bmp.cpp
+++ b/core/src/fxcodec/lbmp/fx_bmp.cpp
@@ -13,30 +13,32 @@ namespace {
const size_t kBmpCoreHeaderSize = 12;
const size_t kBmpInfoHeaderSize = 40;
-} // namespace
-
-FX_DWORD _GetDWord_LSBFirst(uint8_t* p) {
+// TODO(thestig): Replace with FXDWORD_GET_LSBFIRST?
+FX_DWORD GetDWord_LSBFirst(uint8_t* p) {
return p[0] | (p[1] << 8) | (p[2] << 16) | (p[3] << 24);
}
-FX_WORD _GetWord_LSBFirst(uint8_t* p) {
- return p[0] | (p[1] << 8);
-}
-void _SetDWord_LSBFirst(uint8_t* p, FX_DWORD v) {
+
+void SetDWord_LSBFirst(uint8_t* p, FX_DWORD v) {
p[0] = (uint8_t)v;
p[1] = (uint8_t)(v >> 8);
p[2] = (uint8_t)(v >> 16);
p[3] = (uint8_t)(v >> 24);
}
-void _SetWord_LSBFirst(uint8_t* p, FX_WORD v) {
+} // namespace
+
+FX_WORD GetWord_LSBFirst(uint8_t* p) {
+ return p[0] | (p[1] << 8);
+}
+void SetWord_LSBFirst(uint8_t* p, FX_WORD v) {
p[0] = (uint8_t)v;
p[1] = (uint8_t)(v >> 8);
}
-void _bmp_error(bmp_decompress_struct_p bmp_ptr, const FX_CHAR* err_msg) {
- if (bmp_ptr && bmp_ptr->_bmp_error_fn) {
- bmp_ptr->_bmp_error_fn(bmp_ptr, err_msg);
+void bmp_error(bmp_decompress_struct_p bmp_ptr, const FX_CHAR* err_msg) {
+ if (bmp_ptr && bmp_ptr->bmp_error_fn) {
+ bmp_ptr->bmp_error_fn(bmp_ptr, err_msg);
}
}
-bmp_decompress_struct_p _bmp_create_decompress() {
+bmp_decompress_struct_p bmp_create_decompress() {
bmp_decompress_struct_p bmp_ptr = FX_Alloc(bmp_decompress_struct, 1);
if (bmp_ptr == NULL) {
return NULL;
@@ -46,7 +48,7 @@ bmp_decompress_struct_p _bmp_create_decompress() {
bmp_ptr->bmp_header_ptr = FX_Alloc(BmpFileHeader, 1);
return bmp_ptr;
}
-void _bmp_destroy_decompress(bmp_decompress_struct_pp bmp_ptr_ptr) {
+void bmp_destroy_decompress(bmp_decompress_struct_pp bmp_ptr_ptr) {
if (bmp_ptr_ptr == NULL || *bmp_ptr_ptr == NULL) {
return;
}
@@ -59,7 +61,7 @@ void _bmp_destroy_decompress(bmp_decompress_struct_pp bmp_ptr_ptr) {
FX_Free(bmp_ptr->bmp_header_ptr);
FX_Free(bmp_ptr);
}
-int32_t _bmp_read_header(bmp_decompress_struct_p bmp_ptr) {
+int32_t bmp_read_header(bmp_decompress_struct_p bmp_ptr) {
if (bmp_ptr == NULL) {
return 0;
}
@@ -67,16 +69,16 @@ int32_t _bmp_read_header(bmp_decompress_struct_p bmp_ptr) {
if (bmp_ptr->decode_status == BMP_D_STATUS_HEADER) {
ASSERT(sizeof(BmpFileHeader) == 14);
BmpFileHeader* bmp_header_ptr = NULL;
- if (_bmp_read_data(bmp_ptr, (uint8_t**)&bmp_header_ptr, 14) == NULL) {
+ if (bmp_read_data(bmp_ptr, (uint8_t**)&bmp_header_ptr, 14) == NULL) {
return 2;
}
bmp_ptr->bmp_header_ptr->bfType =
- _GetWord_LSBFirst((uint8_t*)&bmp_header_ptr->bfType);
+ GetWord_LSBFirst((uint8_t*)&bmp_header_ptr->bfType);
bmp_ptr->bmp_header_ptr->bfOffBits =
- _GetDWord_LSBFirst((uint8_t*)&bmp_header_ptr->bfOffBits);
- bmp_ptr->data_size = _GetDWord_LSBFirst((uint8_t*)&bmp_header_ptr->bfSize);
+ GetDWord_LSBFirst((uint8_t*)&bmp_header_ptr->bfOffBits);
+ bmp_ptr->data_size = GetDWord_LSBFirst((uint8_t*)&bmp_header_ptr->bfSize);
if (bmp_ptr->bmp_header_ptr->bfType != BMP_SIGNATURE) {
- _bmp_error(bmp_ptr, "Not A Bmp Image");
+ bmp_error(bmp_ptr, "Not A Bmp Image");
return 0;
}
if (bmp_ptr->avail_in < sizeof(FX_DWORD)) {
@@ -84,7 +86,7 @@ int32_t _bmp_read_header(bmp_decompress_struct_p bmp_ptr) {
return 2;
}
bmp_ptr->img_ifh_size =
- _GetDWord_LSBFirst(bmp_ptr->next_in + bmp_ptr->skip_size);
+ GetDWord_LSBFirst(bmp_ptr->next_in + bmp_ptr->skip_size);
bmp_ptr->pal_type = 0;
static_assert(sizeof(BmpCoreHeader) == kBmpCoreHeaderSize,
"BmpCoreHeader has wrong size");
@@ -94,40 +96,40 @@ int32_t _bmp_read_header(bmp_decompress_struct_p bmp_ptr) {
case kBmpCoreHeaderSize: {
bmp_ptr->pal_type = 1;
BmpCoreHeaderPtr bmp_core_header_ptr = NULL;
- if (_bmp_read_data(bmp_ptr, (uint8_t**)&bmp_core_header_ptr,
- bmp_ptr->img_ifh_size) == NULL) {
+ if (bmp_read_data(bmp_ptr, (uint8_t**)&bmp_core_header_ptr,
+ bmp_ptr->img_ifh_size) == NULL) {
bmp_ptr->skip_size = skip_size_org;
return 2;
}
- bmp_ptr->width = (FX_DWORD)_GetWord_LSBFirst(
- (uint8_t*)&bmp_core_header_ptr->bcWidth);
- bmp_ptr->height = (FX_DWORD)_GetWord_LSBFirst(
- (uint8_t*)&bmp_core_header_ptr->bcHeight);
+ bmp_ptr->width =
+ GetWord_LSBFirst((uint8_t*)&bmp_core_header_ptr->bcWidth);
+ bmp_ptr->height =
+ GetWord_LSBFirst((uint8_t*)&bmp_core_header_ptr->bcHeight);
bmp_ptr->bitCounts =
- _GetWord_LSBFirst((uint8_t*)&bmp_core_header_ptr->bcBitCount);
+ GetWord_LSBFirst((uint8_t*)&bmp_core_header_ptr->bcBitCount);
bmp_ptr->compress_flag = BMP_RGB;
bmp_ptr->imgTB_flag = FALSE;
} break;
case kBmpInfoHeaderSize: {
BmpInfoHeaderPtr bmp_info_header_ptr = NULL;
- if (_bmp_read_data(bmp_ptr, (uint8_t**)&bmp_info_header_ptr,
- bmp_ptr->img_ifh_size) == NULL) {
+ if (bmp_read_data(bmp_ptr, (uint8_t**)&bmp_info_header_ptr,
+ bmp_ptr->img_ifh_size) == NULL) {
bmp_ptr->skip_size = skip_size_org;
return 2;
}
bmp_ptr->width =
- _GetDWord_LSBFirst((uint8_t*)&bmp_info_header_ptr->biWidth);
+ GetDWord_LSBFirst((uint8_t*)&bmp_info_header_ptr->biWidth);
bmp_ptr->height =
- _GetDWord_LSBFirst((uint8_t*)&bmp_info_header_ptr->biHeight);
+ GetDWord_LSBFirst((uint8_t*)&bmp_info_header_ptr->biHeight);
bmp_ptr->bitCounts =
- _GetWord_LSBFirst((uint8_t*)&bmp_info_header_ptr->biBitCount);
+ GetWord_LSBFirst((uint8_t*)&bmp_info_header_ptr->biBitCount);
bmp_ptr->compress_flag =
- _GetDWord_LSBFirst((uint8_t*)&bmp_info_header_ptr->biCompression);
+ GetDWord_LSBFirst((uint8_t*)&bmp_info_header_ptr->biCompression);
bmp_ptr->color_used =
- _GetDWord_LSBFirst((uint8_t*)&bmp_info_header_ptr->biClrUsed);
- bmp_ptr->dpi_x = (int32_t)_GetDWord_LSBFirst(
+ GetDWord_LSBFirst((uint8_t*)&bmp_info_header_ptr->biClrUsed);
+ bmp_ptr->dpi_x = (int32_t)GetDWord_LSBFirst(
(uint8_t*)&bmp_info_header_ptr->biXPelsPerMeter);
- bmp_ptr->dpi_y = (int32_t)_GetDWord_LSBFirst(
+ bmp_ptr->dpi_y = (int32_t)GetDWord_LSBFirst(
(uint8_t*)&bmp_info_header_ptr->biYPelsPerMeter);
if (bmp_ptr->height < 0) {
bmp_ptr->height = -bmp_ptr->height;
@@ -138,27 +140,26 @@ int32_t _bmp_read_header(bmp_decompress_struct_p bmp_ptr) {
if (bmp_ptr->img_ifh_size >
std::min(kBmpInfoHeaderSize, sizeof(BmpInfoHeader))) {
BmpInfoHeaderPtr bmp_info_header_ptr = NULL;
- if (_bmp_read_data(bmp_ptr, (uint8_t**)&bmp_info_header_ptr,
- bmp_ptr->img_ifh_size) == NULL) {
+ if (bmp_read_data(bmp_ptr, (uint8_t**)&bmp_info_header_ptr,
+ bmp_ptr->img_ifh_size) == NULL) {
bmp_ptr->skip_size = skip_size_org;
return 2;
}
FX_WORD biPlanes;
bmp_ptr->width =
- _GetDWord_LSBFirst((uint8_t*)&bmp_info_header_ptr->biWidth);
+ GetDWord_LSBFirst((uint8_t*)&bmp_info_header_ptr->biWidth);
bmp_ptr->height =
- _GetDWord_LSBFirst((uint8_t*)&bmp_info_header_ptr->biHeight);
+ GetDWord_LSBFirst((uint8_t*)&bmp_info_header_ptr->biHeight);
bmp_ptr->bitCounts =
- _GetWord_LSBFirst((uint8_t*)&bmp_info_header_ptr->biBitCount);
+ GetWord_LSBFirst((uint8_t*)&bmp_info_header_ptr->biBitCount);
bmp_ptr->compress_flag =
- _GetDWord_LSBFirst((uint8_t*)&bmp_info_header_ptr->biCompression);
+ GetDWord_LSBFirst((uint8_t*)&bmp_info_header_ptr->biCompression);
bmp_ptr->color_used =
- _GetDWord_LSBFirst((uint8_t*)&bmp_info_header_ptr->biClrUsed);
- biPlanes =
- _GetWord_LSBFirst((uint8_t*)&bmp_info_header_ptr->biPlanes);
- bmp_ptr->dpi_x = _GetDWord_LSBFirst(
+ GetDWord_LSBFirst((uint8_t*)&bmp_info_header_ptr->biClrUsed);
+ biPlanes = GetWord_LSBFirst((uint8_t*)&bmp_info_header_ptr->biPlanes);
+ bmp_ptr->dpi_x = GetDWord_LSBFirst(
(uint8_t*)&bmp_info_header_ptr->biXPelsPerMeter);
- bmp_ptr->dpi_y = _GetDWord_LSBFirst(
+ bmp_ptr->dpi_y = GetDWord_LSBFirst(
(uint8_t*)&bmp_info_header_ptr->biYPelsPerMeter);
if (bmp_ptr->height < 0) {
bmp_ptr->height = -bmp_ptr->height;
@@ -169,7 +170,7 @@ int32_t _bmp_read_header(bmp_decompress_struct_p bmp_ptr) {
break;
}
}
- _bmp_error(bmp_ptr, "Unsupported Bmp File");
+ bmp_error(bmp_ptr, "Unsupported Bmp File");
return 0;
}
}
@@ -182,18 +183,18 @@ int32_t _bmp_read_header(bmp_decompress_struct_p bmp_ptr) {
case 16:
case 24: {
if (bmp_ptr->color_used > ((FX_DWORD)1) << bmp_ptr->bitCounts) {
- _bmp_error(bmp_ptr, "The Bmp File Is Corrupt");
+ bmp_error(bmp_ptr, "The Bmp File Is Corrupt");
return 0;
}
}
case 32: {
if (bmp_ptr->width <= 0 || bmp_ptr->compress_flag > BMP_BITFIELDS) {
- _bmp_error(bmp_ptr, "The Bmp File Is Corrupt");
+ bmp_error(bmp_ptr, "The Bmp File Is Corrupt");
return 0;
}
} break;
default:
- _bmp_error(bmp_ptr, "The Bmp File Is Corrupt");
+ bmp_error(bmp_ptr, "The Bmp File Is Corrupt");
return 0;
}
bmp_ptr->src_row_bytes = BMP_WIDTHBYTES(bmp_ptr->width, bmp_ptr->bitCounts);
@@ -217,47 +218,40 @@ int32_t _bmp_read_header(bmp_decompress_struct_p bmp_ptr) {
FX_Free(bmp_ptr->out_row_buffer);
bmp_ptr->out_row_buffer = FX_Alloc(uint8_t, bmp_ptr->out_row_bytes);
FXSYS_memset(bmp_ptr->out_row_buffer, 0, bmp_ptr->out_row_bytes);
- _bmp_save_decoding_status(bmp_ptr, BMP_D_STATUS_PAL);
+ bmp_save_decoding_status(bmp_ptr, BMP_D_STATUS_PAL);
}
if (bmp_ptr->decode_status == BMP_D_STATUS_PAL) {
skip_size_org = bmp_ptr->skip_size;
-#ifdef BMP_SUPPORT_BITFIELD
if (bmp_ptr->compress_flag == BMP_BITFIELDS) {
if (bmp_ptr->bitCounts != 16 && bmp_ptr->bitCounts != 32) {
- _bmp_error(bmp_ptr, "The Bmp File Is Corrupt");
+ bmp_error(bmp_ptr, "The Bmp File Is Corrupt");
return 0;
}
FX_DWORD* mask;
- if (_bmp_read_data(bmp_ptr, (uint8_t**)&mask, 3 * sizeof(FX_DWORD)) ==
+ if (bmp_read_data(bmp_ptr, (uint8_t**)&mask, 3 * sizeof(FX_DWORD)) ==
NULL) {
bmp_ptr->skip_size = skip_size_org;
return 2;
}
- bmp_ptr->mask_red = _GetDWord_LSBFirst((uint8_t*)&mask[0]);
- bmp_ptr->mask_green = _GetDWord_LSBFirst((uint8_t*)&mask[1]);
- bmp_ptr->mask_blue = _GetDWord_LSBFirst((uint8_t*)&mask[2]);
+ bmp_ptr->mask_red = GetDWord_LSBFirst((uint8_t*)&mask[0]);
+ bmp_ptr->mask_green = GetDWord_LSBFirst((uint8_t*)&mask[1]);
+ bmp_ptr->mask_blue = GetDWord_LSBFirst((uint8_t*)&mask[2]);
if (bmp_ptr->mask_red & bmp_ptr->mask_green ||
bmp_ptr->mask_red & bmp_ptr->mask_blue ||
bmp_ptr->mask_green & bmp_ptr->mask_blue) {
- _bmp_error(bmp_ptr, "The Bitfield Bmp File Is Corrupt");
+ bmp_error(bmp_ptr, "The Bitfield Bmp File Is Corrupt");
return 0;
}
if (bmp_ptr->bmp_header_ptr->bfOffBits < 26 + bmp_ptr->img_ifh_size) {
bmp_ptr->bmp_header_ptr->bfOffBits = 26 + bmp_ptr->img_ifh_size;
}
- _bmp_save_decoding_status(bmp_ptr, BMP_D_STATUS_DATA_PRE);
+ bmp_save_decoding_status(bmp_ptr, BMP_D_STATUS_DATA_PRE);
return 1;
} else if (bmp_ptr->bitCounts == 16) {
bmp_ptr->mask_red = 0x7C00;
bmp_ptr->mask_green = 0x03E0;
bmp_ptr->mask_blue = 0x001F;
}
-#else
- if (bmp_ptr->compress_flag == BMP_BITFIELDS || bmp_ptr->bitCounts == 16) {
- _bmp_error(bmp_ptr, "Unsupported Bitfield Bmp File");
- return 0;
- }
-#endif
bmp_ptr->pal_num = 0;
if (bmp_ptr->bitCounts < 16) {
bmp_ptr->pal_num = 1 << bmp_ptr->bitCounts;
@@ -266,7 +260,7 @@ int32_t _bmp_read_header(bmp_decompress_struct_p bmp_ptr) {
}
uint8_t* src_pal_ptr = NULL;
FX_DWORD src_pal_size = bmp_ptr->pal_num * (bmp_ptr->pal_type ? 3 : 4);
- if (_bmp_read_data(bmp_ptr, (uint8_t**)&src_pal_ptr, src_pal_size) ==
+ if (bmp_read_data(bmp_ptr, (uint8_t**)&src_pal_ptr, src_pal_size) ==
NULL) {
bmp_ptr->skip_size = skip_size_org;
return 2;
@@ -295,44 +289,44 @@ int32_t _bmp_read_header(bmp_decompress_struct_p bmp_ptr) {
14 + bmp_ptr->img_ifh_size +
bmp_ptr->pal_num * (bmp_ptr->pal_type ? 3 : 4);
}
- _bmp_save_decoding_status(bmp_ptr, BMP_D_STATUS_DATA_PRE);
+ bmp_save_decoding_status(bmp_ptr, BMP_D_STATUS_DATA_PRE);
}
return 1;
}
-int32_t _bmp_decode_image(bmp_decompress_struct_p bmp_ptr) {
+int32_t bmp_decode_image(bmp_decompress_struct_p bmp_ptr) {
if (bmp_ptr->decode_status == BMP_D_STATUS_DATA_PRE) {
bmp_ptr->avail_in = 0;
- if (!bmp_ptr->_bmp_get_data_position_fn(
+ if (!bmp_ptr->bmp_get_data_position_fn(
bmp_ptr, bmp_ptr->bmp_header_ptr->bfOffBits)) {
bmp_ptr->decode_status = BMP_D_STATUS_TAIL;
- _bmp_error(bmp_ptr, "The Bmp File Is Corrupt, Unexpected Stream Offset");
+ bmp_error(bmp_ptr, "The Bmp File Is Corrupt, Unexpected Stream Offset");
return 0;
}
bmp_ptr->row_num = 0;
- _bmp_save_decoding_status(bmp_ptr, BMP_D_STATUS_DATA);
+ bmp_save_decoding_status(bmp_ptr, BMP_D_STATUS_DATA);
}
if (bmp_ptr->decode_status == BMP_D_STATUS_DATA) {
switch (bmp_ptr->compress_flag) {
case BMP_RGB:
case BMP_BITFIELDS:
- return _bmp_decode_rgb(bmp_ptr);
+ return bmp_decode_rgb(bmp_ptr);
case BMP_RLE8:
- return _bmp_decode_rle8(bmp_ptr);
+ return bmp_decode_rle8(bmp_ptr);
case BMP_RLE4:
- return _bmp_decode_rle4(bmp_ptr);
+ return bmp_decode_rle4(bmp_ptr);
}
}
- _bmp_error(bmp_ptr, "Any Uncontrol Error");
+ bmp_error(bmp_ptr, "Any Uncontrol Error");
return 0;
}
-int32_t _bmp_decode_rgb(bmp_decompress_struct_p bmp_ptr) {
+int32_t bmp_decode_rgb(bmp_decompress_struct_p bmp_ptr) {
uint8_t* row_buf = bmp_ptr->out_row_buffer;
uint8_t* des_buf = NULL;
while (bmp_ptr->row_num < bmp_ptr->height) {
- if (_bmp_read_data(bmp_ptr, &des_buf, bmp_ptr->src_row_bytes) == NULL) {
+ if (bmp_read_data(bmp_ptr, &des_buf, bmp_ptr->src_row_bytes) == NULL) {
return 2;
}
- _bmp_save_decoding_status(bmp_ptr, BMP_D_STATUS_DATA);
+ bmp_save_decoding_status(bmp_ptr, BMP_D_STATUS_DATA);
switch (bmp_ptr->bitCounts) {
case 1: {
for (int32_t col = 0; col < bmp_ptr->width; col++) {
@@ -345,7 +339,6 @@ int32_t _bmp_decode_rgb(bmp_decompress_struct_p bmp_ptr) {
: ((des_buf[col >> 1] & 0xF0) >> 4);
}
} break;
-#ifdef BMP_SUPPORT_BITFIELD
case 16: {
FX_WORD* buf = (FX_WORD*)des_buf;
uint8_t blue_bits = 0;
@@ -368,13 +361,12 @@ int32_t _bmp_decode_rgb(bmp_decompress_struct_p bmp_ptr) {
green_bits -= 8;
red_bits -= 8;
for (int32_t col = 0; col < bmp_ptr->width; col++) {
- *buf = _GetWord_LSBFirst((uint8_t*)buf);
+ *buf = GetWord_LSBFirst((uint8_t*)buf);
*row_buf++ = (uint8_t)((*buf & bmp_ptr->mask_blue) << blue_bits);
*row_buf++ = (uint8_t)((*buf & bmp_ptr->mask_green) >> green_bits);
*row_buf++ = (uint8_t)((*buf++ & bmp_ptr->mask_red) >> red_bits);
}
} break;
-#endif
case 8:
case 24:
case 32:
@@ -382,61 +374,61 @@ int32_t _bmp_decode_rgb(bmp_decompress_struct_p bmp_ptr) {
break;
}
row_buf = bmp_ptr->out_row_buffer;
- bmp_ptr->_bmp_get_row_fn(bmp_ptr,
- bmp_ptr->imgTB_flag
- ? bmp_ptr->row_num++
- : (bmp_ptr->height - 1 - bmp_ptr->row_num++),
- bmp_ptr->out_row_buffer);
+ bmp_ptr->bmp_get_row_fn(bmp_ptr,
+ bmp_ptr->imgTB_flag
+ ? bmp_ptr->row_num++
+ : (bmp_ptr->height - 1 - bmp_ptr->row_num++),
+ bmp_ptr->out_row_buffer);
}
- _bmp_save_decoding_status(bmp_ptr, BMP_D_STATUS_TAIL);
+ bmp_save_decoding_status(bmp_ptr, BMP_D_STATUS_TAIL);
return 1;
}
-int32_t _bmp_decode_rle8(bmp_decompress_struct_p bmp_ptr) {
+int32_t bmp_decode_rle8(bmp_decompress_struct_p bmp_ptr) {
uint8_t* first_byte_ptr = NULL;
uint8_t* second_byte_ptr = NULL;
bmp_ptr->col_num = 0;
while (TRUE) {
FX_DWORD skip_size_org = bmp_ptr->skip_size;
- if (_bmp_read_data(bmp_ptr, &first_byte_ptr, 1) == NULL) {
+ if (bmp_read_data(bmp_ptr, &first_byte_ptr, 1) == NULL) {
return 2;
}
switch (*first_byte_ptr) {
case RLE_MARKER: {
- if (_bmp_read_data(bmp_ptr, &first_byte_ptr, 1) == NULL) {
+ if (bmp_read_data(bmp_ptr, &first_byte_ptr, 1) == NULL) {
bmp_ptr->skip_size = skip_size_org;
return 2;
}
switch (*first_byte_ptr) {
case RLE_EOL: {
if (bmp_ptr->row_num >= bmp_ptr->height) {
- _bmp_save_decoding_status(bmp_ptr, BMP_D_STATUS_TAIL);
- _bmp_error(bmp_ptr, "The Bmp File Is Corrupt");
+ bmp_save_decoding_status(bmp_ptr, BMP_D_STATUS_TAIL);
+ bmp_error(bmp_ptr, "The Bmp File Is Corrupt");
return 0;
}
- bmp_ptr->_bmp_get_row_fn(
+ bmp_ptr->bmp_get_row_fn(
bmp_ptr, bmp_ptr->imgTB_flag
? bmp_ptr->row_num++
: (bmp_ptr->height - 1 - bmp_ptr->row_num++),
bmp_ptr->out_row_buffer);
bmp_ptr->col_num = 0;
FXSYS_memset(bmp_ptr->out_row_buffer, 0, bmp_ptr->out_row_bytes);
- _bmp_save_decoding_status(bmp_ptr, BMP_D_STATUS_DATA);
+ bmp_save_decoding_status(bmp_ptr, BMP_D_STATUS_DATA);
continue;
}
case RLE_EOI: {
if (bmp_ptr->row_num < bmp_ptr->height) {
- bmp_ptr->_bmp_get_row_fn(
+ bmp_ptr->bmp_get_row_fn(
bmp_ptr, bmp_ptr->imgTB_flag
? bmp_ptr->row_num++
: (bmp_ptr->height - 1 - bmp_ptr->row_num++),
bmp_ptr->out_row_buffer);
}
- _bmp_save_decoding_status(bmp_ptr, BMP_D_STATUS_TAIL);
+ bmp_save_decoding_status(bmp_ptr, BMP_D_STATUS_TAIL);
return 1;
}
case RLE_DELTA: {
uint8_t* delta_ptr;
- if (_bmp_read_data(bmp_ptr, &delta_ptr, 2) == NULL) {
+ if (bmp_read_data(bmp_ptr, &delta_ptr, 2) == NULL) {
bmp_ptr->skip_size = skip_size_org;
return 2;
}
@@ -444,12 +436,12 @@ int32_t _bmp_decode_rle8(bmp_decompress_struct_p bmp_ptr) {
int32_t bmp_row_num_next = bmp_ptr->row_num + (int32_t)delta_ptr[1];
if (bmp_ptr->col_num >= bmp_ptr->out_row_bytes ||
bmp_row_num_next >= bmp_ptr->height) {
- _bmp_error(bmp_ptr, "The Bmp File Is Corrupt Or Not Supported");
+ bmp_error(bmp_ptr, "The Bmp File Is Corrupt Or Not Supported");
return 0;
}
while (bmp_ptr->row_num < bmp_row_num_next) {
FXSYS_memset(bmp_ptr->out_row_buffer, 0, bmp_ptr->out_row_bytes);
- bmp_ptr->_bmp_get_row_fn(
+ bmp_ptr->bmp_get_row_fn(
bmp_ptr, bmp_ptr->imgTB_flag
? bmp_ptr->row_num++
: (bmp_ptr->height - 1 - bmp_ptr->row_num++),
@@ -459,12 +451,12 @@ int32_t _bmp_decode_rle8(bmp_decompress_struct_p bmp_ptr) {
default: {
if ((int32_t)(*first_byte_ptr) >
bmp_ptr->src_row_bytes - bmp_ptr->col_num) {
- _bmp_error(bmp_ptr, "The Bmp File Is Corrupt");
+ bmp_error(bmp_ptr, "The Bmp File Is Corrupt");
return 0;
}
- if (_bmp_read_data(bmp_ptr, &second_byte_ptr,
- *first_byte_ptr & 1 ? *first_byte_ptr + 1
- : *first_byte_ptr) == NULL) {
+ if (bmp_read_data(bmp_ptr, &second_byte_ptr,
+ *first_byte_ptr & 1 ? *first_byte_ptr + 1
+ : *first_byte_ptr) == NULL) {
bmp_ptr->skip_size = skip_size_org;
return 2;
}
@@ -475,13 +467,13 @@ int32_t _bmp_decode_rle8(bmp_decompress_struct_p bmp_ptr) {
}
} break;
default: {
- if (_bmp_read_data(bmp_ptr, &second_byte_ptr, 1) == NULL) {
+ if (bmp_read_data(bmp_ptr, &second_byte_ptr, 1) == NULL) {
bmp_ptr->skip_size = skip_size_org;
return 2;
}
if ((int32_t)(*first_byte_ptr) >
bmp_ptr->src_row_bytes - bmp_ptr->col_num) {
- _bmp_error(bmp_ptr, "The Bmp File Is Corrupt");
+ bmp_error(bmp_ptr, "The Bmp File Is Corrupt");
return 0;
}
FXSYS_memset(bmp_ptr->out_row_buffer + bmp_ptr->col_num,
@@ -490,55 +482,55 @@ int32_t _bmp_decode_rle8(bmp_decompress_struct_p bmp_ptr) {
}
}
}
- _bmp_error(bmp_ptr, "Any Uncontrol Error");
+ bmp_error(bmp_ptr, "Any Uncontrol Error");
return 0;
}
-int32_t _bmp_decode_rle4(bmp_decompress_struct_p bmp_ptr) {
+int32_t bmp_decode_rle4(bmp_decompress_struct_p bmp_ptr) {
uint8_t* first_byte_ptr = NULL;
uint8_t* second_byte_ptr = NULL;
bmp_ptr->col_num = 0;
while (TRUE) {
FX_DWORD skip_size_org = bmp_ptr->skip_size;
- if (_bmp_read_data(bmp_ptr, &first_byte_ptr, 1) == NULL) {
+ if (bmp_read_data(bmp_ptr, &first_byte_ptr, 1) == NULL) {
return 2;
}
switch (*first_byte_ptr) {
case RLE_MARKER: {
- if (_bmp_read_data(bmp_ptr, &first_byte_ptr, 1) == NULL) {
+ if (bmp_read_data(bmp_ptr, &first_byte_ptr, 1) == NULL) {
bmp_ptr->skip_size = skip_size_org;
return 2;
}
switch (*first_byte_ptr) {
case RLE_EOL: {
if (bmp_ptr->row_num >= bmp_ptr->height) {
- _bmp_save_decoding_status(bmp_ptr, BMP_D_STATUS_TAIL);
- _bmp_error(bmp_ptr, "The Bmp File Is Corrupt");
+ bmp_save_decoding_status(bmp_ptr, BMP_D_STATUS_TAIL);
+ bmp_error(bmp_ptr, "The Bmp File Is Corrupt");
return 0;
}
- bmp_ptr->_bmp_get_row_fn(
+ bmp_ptr->bmp_get_row_fn(
bmp_ptr, bmp_ptr->imgTB_flag
? bmp_ptr->row_num++
: (bmp_ptr->height - 1 - bmp_ptr->row_num++),
bmp_ptr->out_row_buffer);
bmp_ptr->col_num = 0;
FXSYS_memset(bmp_ptr->out_row_buffer, 0, bmp_ptr->out_row_bytes);
- _bmp_save_decoding_status(bmp_ptr, BMP_D_STATUS_DATA);
+ bmp_save_decoding_status(bmp_ptr, BMP_D_STATUS_DATA);
continue;
}
case RLE_EOI: {
if (bmp_ptr->row_num < bmp_ptr->height) {
- bmp_ptr->_bmp_get_row_fn(
+ bmp_ptr->bmp_get_row_fn(
bmp_ptr, bmp_ptr->imgTB_flag
? bmp_ptr->row_num++
: (bmp_ptr->height - 1 - bmp_ptr->row_num++),
bmp_ptr->out_row_buffer);
}
- _bmp_save_decoding_status(bmp_ptr, BMP_D_STATUS_TAIL);
+ bmp_save_decoding_status(bmp_ptr, BMP_D_STATUS_TAIL);
return 1;
}
case RLE_DELTA: {
uint8_t* delta_ptr;
- if (_bmp_read_data(bmp_ptr, &delta_ptr, 2) == NULL) {
+ if (bmp_read_data(bmp_ptr, &delta_ptr, 2) == NULL) {
bmp_ptr->skip_size = skip_size_org;
return 2;
}
@@ -546,12 +538,12 @@ int32_t _bmp_decode_rle4(bmp_decompress_struct_p bmp_ptr) {
int32_t bmp_row_num_next = bmp_ptr->row_num + (int32_t)delta_ptr[1];
if (bmp_ptr->col_num >= bmp_ptr->out_row_bytes ||
bmp_row_num_next >= bmp_ptr->height) {
- _bmp_error(bmp_ptr, "The Bmp File Is Corrupt Or Not Supported");
+ bmp_error(bmp_ptr, "The Bmp File Is Corrupt Or Not Supported");
return 0;
}
while (bmp_ptr->row_num < bmp_row_num_next) {
FXSYS_memset(bmp_ptr->out_row_buffer, 0, bmp_ptr->out_row_bytes);
- bmp_ptr->_bmp_get_row_fn(
+ bmp_ptr->bmp_get_row_fn(
bmp_ptr, bmp_ptr->imgTB_flag
? bmp_ptr->row_num++
: (bmp_ptr->height - 1 - bmp_ptr->row_num++),
@@ -563,13 +555,13 @@ int32_t _bmp_decode_rle4(bmp_decompress_struct_p bmp_ptr) {
if ((int32_t)*first_byte_ptr >=
bmp_ptr->out_row_bytes - bmp_ptr->col_num) {
if (size + (bmp_ptr->col_num >> 1) > bmp_ptr->src_row_bytes) {
- _bmp_error(bmp_ptr, "The Bmp File Is Corrupt");
+ bmp_error(bmp_ptr, "The Bmp File Is Corrupt");
return 0;
}
*first_byte_ptr = bmp_ptr->out_row_bytes - bmp_ptr->col_num - 1;
}
- if (_bmp_read_data(bmp_ptr, &second_byte_ptr,
- size & 1 ? size + 1 : size) == NULL) {
+ if (bmp_read_data(bmp_ptr, &second_byte_ptr,
+ size & 1 ? size + 1 : size) == NULL) {
bmp_ptr->skip_size = skip_size_org;
return 2;
}
@@ -586,7 +578,7 @@ int32_t _bmp_decode_rle4(bmp_decompress_struct_p bmp_ptr) {
}
} break;
default: {
- if (_bmp_read_data(bmp_ptr, &second_byte_ptr, 1) == NULL) {
+ if (bmp_read_data(bmp_ptr, &second_byte_ptr, 1) == NULL) {
bmp_ptr->skip_size = skip_size_org;
return 2;
}
@@ -594,7 +586,7 @@ int32_t _bmp_decode_rle4(bmp_decompress_struct_p bmp_ptr) {
bmp_ptr->out_row_bytes - bmp_ptr->col_num) {
uint8_t size = (uint8_t)(((FX_WORD)(*first_byte_ptr) + 1) >> 1);
if (size + (bmp_ptr->col_num >> 1) > bmp_ptr->src_row_bytes) {
- _bmp_error(bmp_ptr, "The Bmp File Is Corrupt");
+ bmp_error(bmp_ptr, "The Bmp File Is Corrupt");
return 0;
}
*first_byte_ptr = bmp_ptr->out_row_bytes - bmp_ptr->col_num - 1;
@@ -611,12 +603,12 @@ int32_t _bmp_decode_rle4(bmp_decompress_struct_p bmp_ptr) {
}
}
}
- _bmp_error(bmp_ptr, "Any Uncontrol Error");
+ bmp_error(bmp_ptr, "Any Uncontrol Error");
return 0;
}
-uint8_t* _bmp_read_data(bmp_decompress_struct_p bmp_ptr,
- uint8_t** des_buf_pp,
- FX_DWORD data_size) {
+uint8_t* bmp_read_data(bmp_decompress_struct_p bmp_ptr,
+ uint8_t** des_buf_pp,
+ FX_DWORD data_size) {
if (bmp_ptr == NULL || bmp_ptr->avail_in < bmp_ptr->skip_size + data_size) {
return NULL;
}
@@ -624,22 +616,21 @@ uint8_t* _bmp_read_data(bmp_decompress_struct_p bmp_ptr,
bmp_ptr->skip_size += data_size;
return *des_buf_pp;
}
-void _bmp_save_decoding_status(bmp_decompress_struct_p bmp_ptr,
- int32_t status) {
+void bmp_save_decoding_status(bmp_decompress_struct_p bmp_ptr, int32_t status) {
bmp_ptr->decode_status = status;
bmp_ptr->next_in += bmp_ptr->skip_size;
bmp_ptr->avail_in -= bmp_ptr->skip_size;
bmp_ptr->skip_size = 0;
}
-void _bmp_input_buffer(bmp_decompress_struct_p bmp_ptr,
- uint8_t* src_buf,
- FX_DWORD src_size) {
+void bmp_input_buffer(bmp_decompress_struct_p bmp_ptr,
+ uint8_t* src_buf,
+ FX_DWORD src_size) {
bmp_ptr->next_in = src_buf;
bmp_ptr->avail_in = src_size;
bmp_ptr->skip_size = 0;
}
-FX_DWORD _bmp_get_avail_input(bmp_decompress_struct_p bmp_ptr,
- uint8_t** avial_buf_ptr) {
+FX_DWORD bmp_get_avail_input(bmp_decompress_struct_p bmp_ptr,
+ uint8_t** avial_buf_ptr) {
if (avial_buf_ptr) {
*avial_buf_ptr = NULL;
if (bmp_ptr->avail_in > 0) {
@@ -648,7 +639,7 @@ FX_DWORD _bmp_get_avail_input(bmp_decompress_struct_p bmp_ptr,
}
return bmp_ptr->avail_in;
}
-bmp_compress_struct_p _bmp_create_compress() {
+bmp_compress_struct_p bmp_create_compress() {
bmp_compress_struct_p bmp_ptr;
bmp_ptr = FX_Alloc(bmp_compress_struct, 1);
if (bmp_ptr) {
@@ -656,7 +647,7 @@ bmp_compress_struct_p _bmp_create_compress() {
}
return bmp_ptr;
}
-void _bmp_destroy_compress(bmp_compress_struct_p 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);
@@ -667,49 +658,46 @@ void _bmp_destroy_compress(bmp_compress_struct_p bmp_ptr) {
static void WriteFileHeader(BmpFileHeaderPtr head_ptr, uint8_t* dst_buf) {
FX_DWORD offset;
offset = 0;
- _SetWord_LSBFirst(&dst_buf[offset], head_ptr->bfType);
+ SetWord_LSBFirst(&dst_buf[offset], head_ptr->bfType);
offset += 2;
- _SetDWord_LSBFirst(&dst_buf[offset], head_ptr->bfSize);
+ SetDWord_LSBFirst(&dst_buf[offset], head_ptr->bfSize);
offset += 4;
- _SetWord_LSBFirst(&dst_buf[offset], head_ptr->bfReserved1);
+ SetWord_LSBFirst(&dst_buf[offset], head_ptr->bfReserved1);
offset += 2;
- _SetWord_LSBFirst(&dst_buf[offset], head_ptr->bfReserved2);
+ SetWord_LSBFirst(&dst_buf[offset], head_ptr->bfReserved2);
offset += 2;
- _SetDWord_LSBFirst(&dst_buf[offset], head_ptr->bfOffBits);
+ SetDWord_LSBFirst(&dst_buf[offset], head_ptr->bfOffBits);
offset += 4;
}
static void WriteInfoHeader(BmpInfoHeaderPtr info_head_ptr, uint8_t* dst_buf) {
FX_DWORD offset;
offset = sizeof(BmpFileHeader);
- _SetDWord_LSBFirst(&dst_buf[offset], info_head_ptr->biSize);
+ SetDWord_LSBFirst(&dst_buf[offset], info_head_ptr->biSize);
offset += 4;
- _SetDWord_LSBFirst(&dst_buf[offset], (FX_DWORD)info_head_ptr->biWidth);
+ SetDWord_LSBFirst(&dst_buf[offset], info_head_ptr->biWidth);
offset += 4;
- _SetDWord_LSBFirst(&dst_buf[offset], (FX_DWORD)info_head_ptr->biHeight);
+ SetDWord_LSBFirst(&dst_buf[offset], info_head_ptr->biHeight);
offset += 4;
- _SetWord_LSBFirst(&dst_buf[offset], info_head_ptr->biPlanes);
+ SetWord_LSBFirst(&dst_buf[offset], info_head_ptr->biPlanes);
offset += 2;
- _SetWord_LSBFirst(&dst_buf[offset], info_head_ptr->biBitCount);
+ SetWord_LSBFirst(&dst_buf[offset], info_head_ptr->biBitCount);
offset += 2;
- _SetDWord_LSBFirst(&dst_buf[offset], info_head_ptr->biCompression);
+ SetDWord_LSBFirst(&dst_buf[offset], info_head_ptr->biCompression);
offset += 4;
- _SetDWord_LSBFirst(&dst_buf[offset], info_head_ptr->biSizeImage);
+ SetDWord_LSBFirst(&dst_buf[offset], info_head_ptr->biSizeImage);
offset += 4;
- _SetDWord_LSBFirst(&dst_buf[offset],
- (FX_DWORD)info_head_ptr->biXPelsPerMeter);
+ SetDWord_LSBFirst(&dst_buf[offset], info_head_ptr->biXPelsPerMeter);
offset += 4;
- _SetDWord_LSBFirst(&dst_buf[offset],
- (FX_DWORD)info_head_ptr->biYPelsPerMeter);
+ SetDWord_LSBFirst(&dst_buf[offset], info_head_ptr->biYPelsPerMeter);
offset += 4;
- _SetDWord_LSBFirst(&dst_buf[offset], info_head_ptr->biClrUsed);
+ SetDWord_LSBFirst(&dst_buf[offset], info_head_ptr->biClrUsed);
offset += 4;
- _SetDWord_LSBFirst(&dst_buf[offset], info_head_ptr->biClrImportant);
+ SetDWord_LSBFirst(&dst_buf[offset], info_head_ptr->biClrImportant);
offset += 4;
}
-#ifdef BMP_SUPPORT_BITFIELD
-static void _bmp_encode_bitfields(bmp_compress_struct_p bmp_ptr,
- uint8_t*& dst_buf,
- FX_DWORD& dst_size) {
+static void bmp_encode_bitfields(bmp_compress_struct_p bmp_ptr,
+ uint8_t*& dst_buf,
+ FX_DWORD& dst_size) {
if (bmp_ptr->info_header.biBitCount != 16 &&
bmp_ptr->info_header.biBitCount != 32) {
return;
@@ -741,11 +729,11 @@ static void _bmp_encode_bitfields(bmp_compress_struct_p bmp_ptr,
mask_green = 0x00FF00;
mask_blue = 0x0000FF;
}
- _SetDWord_LSBFirst(&dst_buf[dst_pos], mask_red);
+ SetDWord_LSBFirst(&dst_buf[dst_pos], mask_red);
dst_pos += 4;
- _SetDWord_LSBFirst(&dst_buf[dst_pos], mask_green);
+ SetDWord_LSBFirst(&dst_buf[dst_pos], mask_green);
dst_pos += 4;
- _SetDWord_LSBFirst(&dst_buf[dst_pos], mask_blue);
+ SetDWord_LSBFirst(&dst_buf[dst_pos], mask_blue);
dst_pos += 4;
bmp_ptr->file_header.bfOffBits = dst_pos;
}
@@ -782,24 +770,22 @@ static void _bmp_encode_bitfields(bmp_compress_struct_p bmp_ptr,
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], (FX_WORD)pix_val);
+ SetWord_LSBFirst(&dst_buf[dst_pos], pix_val);
dst_pos += 2;
} else {
- _SetDWord_LSBFirst(&dst_buf[dst_pos], pix_val);
+ SetDWord_LSBFirst(&dst_buf[dst_pos], pix_val);
dst_pos += 4;
}
}
}
dst_size = dst_pos;
}
-#endif
-static void _bmp_encode_rgb(bmp_compress_struct_p bmp_ptr,
- uint8_t*& dst_buf,
- FX_DWORD& dst_size) {
+
+static void bmp_encode_rgb(bmp_compress_struct_p bmp_ptr,
+ uint8_t*& dst_buf,
+ FX_DWORD& dst_size) {
if (bmp_ptr->info_header.biBitCount == 16) {
-#ifdef BMP_SUPPORT_BITFIELD
- _bmp_encode_bitfields(bmp_ptr, dst_buf, dst_size);
-#endif
+ bmp_encode_bitfields(bmp_ptr, dst_buf, dst_size);
return;
}
FX_DWORD size, dst_pos;
@@ -821,7 +807,7 @@ static void _bmp_encode_rgb(bmp_compress_struct_p bmp_ptr,
}
dst_size = dst_pos;
}
-static uint8_t _bmp_rle8_search(const uint8_t* buf, int32_t len) {
+static uint8_t bmp_rle8_search(const uint8_t* buf, int32_t len) {
uint8_t num;
num = 1;
while (num < len) {
@@ -832,9 +818,9 @@ static uint8_t _bmp_rle8_search(const uint8_t* buf, int32_t len) {
}
return num;
}
-static void _bmp_encode_rle8(bmp_compress_struct_p bmp_ptr,
- uint8_t*& dst_buf,
- FX_DWORD& dst_size) {
+static void bmp_encode_rle8(bmp_compress_struct_p bmp_ptr,
+ uint8_t*& dst_buf,
+ FX_DWORD& dst_size) {
FX_DWORD size, dst_pos, index;
uint8_t rle[2] = {0};
size = bmp_ptr->src_pitch * bmp_ptr->src_row * 2;
@@ -847,7 +833,7 @@ static void _bmp_encode_rle8(bmp_compress_struct_p bmp_ptr,
FXSYS_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[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);
@@ -869,7 +855,7 @@ static void _bmp_encode_rle8(bmp_compress_struct_p bmp_ptr,
dst_buf[dst_pos++] = RLE_EOI;
dst_size = dst_pos;
}
-static uint8_t _bmp_rle4_search(const uint8_t* buf, int32_t len) {
+static uint8_t bmp_rle4_search(const uint8_t* buf, int32_t len) {
uint8_t num;
num = 2;
while (num < len) {
@@ -880,9 +866,9 @@ static uint8_t _bmp_rle4_search(const uint8_t* buf, int32_t len) {
}
return num;
}
-static void _bmp_encode_rle4(bmp_compress_struct_p bmp_ptr,
- uint8_t*& dst_buf,
- FX_DWORD& dst_size) {
+static void bmp_encode_rle4(bmp_compress_struct_p bmp_ptr,
+ uint8_t*& dst_buf,
+ FX_DWORD& dst_size) {
FX_DWORD size, dst_pos, index;
uint8_t rle[2] = {0};
size = bmp_ptr->src_pitch * bmp_ptr->src_row;
@@ -896,7 +882,7 @@ static void _bmp_encode_rle4(bmp_compress_struct_p bmp_ptr,
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[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) {
@@ -919,9 +905,9 @@ static void _bmp_encode_rle4(bmp_compress_struct_p bmp_ptr,
dst_buf[dst_pos++] = RLE_EOI;
dst_size = dst_pos;
}
-FX_BOOL _bmp_encode_image(bmp_compress_struct_p bmp_ptr,
- uint8_t*& dst_buf,
- FX_DWORD& dst_size) {
+FX_BOOL bmp_encode_image(bmp_compress_struct_p bmp_ptr,
+ uint8_t*& dst_buf,
+ FX_DWORD& dst_size) {
FX_DWORD head_size = sizeof(BmpFileHeader) + sizeof(BmpInfoHeader);
FX_DWORD pal_size = sizeof(FX_DWORD) * bmp_ptr->pal_num;
if (bmp_ptr->info_header.biClrUsed > 0 &&
@@ -942,18 +928,16 @@ FX_BOOL _bmp_encode_image(bmp_compress_struct_p bmp_ptr,
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);
+ bmp_encode_rgb(bmp_ptr, dst_buf, dst_size);
break;
case BMP_BITFIELDS:
-#ifdef BMP_SUPPORT_BITFIELD
- _bmp_encode_bitfields(bmp_ptr, dst_buf, dst_size);
-#endif
+ bmp_encode_bitfields(bmp_ptr, dst_buf, dst_size);
break;
case BMP_RLE8:
- _bmp_encode_rle8(bmp_ptr, dst_buf, dst_size);
+ bmp_encode_rle8(bmp_ptr, dst_buf, dst_size);
break;
case BMP_RLE4:
- _bmp_encode_rle4(bmp_ptr, dst_buf, dst_size);
+ bmp_encode_rle4(bmp_ptr, dst_buf, dst_size);
break;
default:
break;
diff --git a/core/src/fxcodec/lbmp/fx_bmp.h b/core/src/fxcodec/lbmp/fx_bmp.h
index 063b1bd757..24c94cabbe 100644
--- a/core/src/fxcodec/lbmp/fx_bmp.h
+++ b/core/src/fxcodec/lbmp/fx_bmp.h
@@ -11,7 +11,6 @@
#include "core/include/fxcrt/fx_basic.h"
-#define BMP_SUPPORT_BITFIELD
#define BMP_WIDTHBYTES(width, bitCount) ((width * bitCount) + 31) / 32 * 4
#define BMP_PAL_ENCODE(a, r, g, b) \
(((FX_DWORD)(a) << 24) | ((r) << 16) | ((g) << 8) | (b))
@@ -70,8 +69,7 @@ typedef bmp_decompress_struct_p* bmp_decompress_struct_pp;
struct tag_bmp_decompress_struct {
jmp_buf jmpbuf;
FX_CHAR* err_ptr;
- void (*_bmp_error_fn)(bmp_decompress_struct_p gif_ptr,
- const FX_CHAR* err_msg);
+ void (*bmp_error_fn)(bmp_decompress_struct_p gif_ptr, const FX_CHAR* err_msg);
void* context_ptr;
@@ -97,39 +95,37 @@ struct tag_bmp_decompress_struct {
int32_t col_num;
int32_t dpi_x;
int32_t dpi_y;
-#ifdef BMP_SUPPORT_BITFIELD
FX_DWORD mask_red;
FX_DWORD mask_green;
FX_DWORD mask_blue;
-#endif
- FX_BOOL (*_bmp_get_data_position_fn)(bmp_decompress_struct_p bmp_ptr,
+ FX_BOOL (*bmp_get_data_position_fn)(bmp_decompress_struct_p bmp_ptr,
FX_DWORD cur_pos);
- void (*_bmp_get_row_fn)(bmp_decompress_struct_p bmp_ptr,
- int32_t row_num,
- uint8_t* row_buf);
+ void (*bmp_get_row_fn)(bmp_decompress_struct_p bmp_ptr,
+ int32_t row_num,
+ uint8_t* row_buf);
uint8_t* next_in;
FX_DWORD avail_in;
FX_DWORD skip_size;
int32_t decode_status;
};
-void _bmp_error(bmp_decompress_struct_p bmp_ptr, const FX_CHAR* err_msg);
-bmp_decompress_struct_p _bmp_create_decompress();
-void _bmp_destroy_decompress(bmp_decompress_struct_pp bmp_ptr_ptr);
-int32_t _bmp_read_header(bmp_decompress_struct_p bmp_ptr);
-int32_t _bmp_decode_image(bmp_decompress_struct_p bmp_ptr);
-int32_t _bmp_decode_rgb(bmp_decompress_struct_p bmp_ptr);
-int32_t _bmp_decode_rle8(bmp_decompress_struct_p bmp_ptr);
-int32_t _bmp_decode_rle4(bmp_decompress_struct_p bmp_ptr);
-uint8_t* _bmp_read_data(bmp_decompress_struct_p bmp_ptr,
- uint8_t** des_buf_pp,
- FX_DWORD data_size);
-void _bmp_save_decoding_status(bmp_decompress_struct_p bmp_ptr, int32_t status);
-void _bmp_input_buffer(bmp_decompress_struct_p bmp_ptr,
- uint8_t* src_buf,
- FX_DWORD src_size);
-FX_DWORD _bmp_get_avail_input(bmp_decompress_struct_p bmp_ptr,
- uint8_t** avial_buf_ptr);
+void bmp_error(bmp_decompress_struct_p bmp_ptr, const FX_CHAR* err_msg);
+bmp_decompress_struct_p bmp_create_decompress();
+void bmp_destroy_decompress(bmp_decompress_struct_pp bmp_ptr_ptr);
+int32_t bmp_read_header(bmp_decompress_struct_p bmp_ptr);
+int32_t bmp_decode_image(bmp_decompress_struct_p bmp_ptr);
+int32_t bmp_decode_rgb(bmp_decompress_struct_p bmp_ptr);
+int32_t bmp_decode_rle8(bmp_decompress_struct_p bmp_ptr);
+int32_t bmp_decode_rle4(bmp_decompress_struct_p bmp_ptr);
+uint8_t* bmp_read_data(bmp_decompress_struct_p bmp_ptr,
+ uint8_t** des_buf_pp,
+ FX_DWORD data_size);
+void bmp_save_decoding_status(bmp_decompress_struct_p bmp_ptr, int32_t status);
+void bmp_input_buffer(bmp_decompress_struct_p bmp_ptr,
+ uint8_t* src_buf,
+ FX_DWORD src_size);
+FX_DWORD bmp_get_avail_input(bmp_decompress_struct_p bmp_ptr,
+ uint8_t** avial_buf_ptr);
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;
@@ -144,15 +140,16 @@ struct tag_bmp_compress_struct {
FX_BOOL src_free;
FX_DWORD* pal_ptr;
FX_WORD pal_num;
-#ifdef BMP_SUPPORT_BITFIELD
uint8_t bit_type;
-#endif
};
-bmp_compress_struct_p _bmp_create_compress();
-void _bmp_destroy_compress(bmp_compress_struct_p bmp_ptr);
-FX_BOOL _bmp_encode_image(bmp_compress_struct_p bmp_ptr,
- uint8_t*& dst_buf,
- FX_DWORD& dst_size);
+bmp_compress_struct_p bmp_create_compress();
+void bmp_destroy_compress(bmp_compress_struct_p bmp_ptr);
+FX_BOOL bmp_encode_image(bmp_compress_struct_p bmp_ptr,
+ uint8_t*& dst_buf,
+ FX_DWORD& dst_size);
+
+FX_WORD GetWord_LSBFirst(uint8_t* p);
+void SetWord_LSBFirst(uint8_t* p, FX_WORD v);
#endif // CORE_SRC_FXCODEC_LBMP_FX_BMP_H_