From 50be65bf4314d9b3c5888f5f02d6ffae504aae7a Mon Sep 17 00:00:00 2001 From: qarmin Date: Sun, 22 Sep 2019 18:45:08 +0200 Subject: Changed some code found by Clang Tidy and Coverity --- modules/bmp/image_loader_bmp.cpp | 228 +++++++++++++++++++-------------------- 1 file changed, 113 insertions(+), 115 deletions(-) (limited to 'modules/bmp') diff --git a/modules/bmp/image_loader_bmp.cpp b/modules/bmp/image_loader_bmp.cpp index 5a32fa1c2c..8708430257 100644 --- a/modules/bmp/image_loader_bmp.cpp +++ b/modules/bmp/image_loader_bmp.cpp @@ -63,139 +63,137 @@ Error ImageLoaderBMP::convert_to_image(Ref p_image, ERR_FAIL_V(ERR_UNAVAILABLE); } - if (err == OK) { - // Image data (might be indexed) - PoolVector data; - int data_len = 0; + // Image data (might be indexed) + PoolVector data; + int data_len = 0; - if (bits_per_pixel <= 8) { // indexed - data_len = width * height; - } else { // color - data_len = width * height * 4; - } - ERR_FAIL_COND_V(data_len == 0, ERR_BUG); - err = data.resize(data_len); - - PoolVector::Write data_w = data.write(); - uint8_t *write_buffer = data_w.ptr(); - - const uint32_t width_bytes = width * bits_per_pixel / 8; - const uint32_t line_width = (width_bytes + 3) & ~3; - - // The actual data traversal is determined by - // the data width in case of 8/4/1 bit images - const uint32_t w = bits_per_pixel >= 24 ? width : width_bytes; - const uint8_t *line = p_buffer + (line_width * (height - 1)); - - for (unsigned int i = 0; i < height; i++) { - const uint8_t *line_ptr = line; - - for (unsigned int j = 0; j < w; j++) { - switch (bits_per_pixel) { - case 1: { - uint8_t color_index = *line_ptr; - - write_buffer[index + 0] = (color_index >> 7) & 1; - write_buffer[index + 1] = (color_index >> 6) & 1; - write_buffer[index + 2] = (color_index >> 5) & 1; - write_buffer[index + 3] = (color_index >> 4) & 1; - write_buffer[index + 4] = (color_index >> 3) & 1; - write_buffer[index + 5] = (color_index >> 2) & 1; - write_buffer[index + 6] = (color_index >> 1) & 1; - write_buffer[index + 7] = (color_index >> 0) & 1; - - index += 8; - line_ptr += 1; - } break; - case 4: { - uint8_t color_index = *line_ptr; - - write_buffer[index + 0] = (color_index >> 4) & 0x0f; - write_buffer[index + 1] = color_index & 0x0f; - - index += 2; - line_ptr += 1; - } break; - case 8: { - uint8_t color_index = *line_ptr; - - write_buffer[index] = color_index; - - index += 1; - line_ptr += 1; - } break; - case 24: { - uint32_t color = *((uint32_t *)line_ptr); - - write_buffer[index + 2] = color & 0xff; - write_buffer[index + 1] = (color >> 8) & 0xff; - write_buffer[index + 0] = (color >> 16) & 0xff; - write_buffer[index + 3] = 0xff; - - index += 4; - line_ptr += 3; - } break; - case 32: { - uint32_t color = *((uint32_t *)line_ptr); - - write_buffer[index + 2] = color & 0xff; - write_buffer[index + 1] = (color >> 8) & 0xff; - write_buffer[index + 0] = (color >> 16) & 0xff; - write_buffer[index + 3] = color >> 24; - - index += 4; - line_ptr += 4; - } break; - } + if (bits_per_pixel <= 8) { // indexed + data_len = width * height; + } else { // color + data_len = width * height * 4; + } + ERR_FAIL_COND_V(data_len == 0, ERR_BUG); + err = data.resize(data_len); + + PoolVector::Write data_w = data.write(); + uint8_t *write_buffer = data_w.ptr(); + + const uint32_t width_bytes = width * bits_per_pixel / 8; + const uint32_t line_width = (width_bytes + 3) & ~3; + + // The actual data traversal is determined by + // the data width in case of 8/4/1 bit images + const uint32_t w = bits_per_pixel >= 24 ? width : width_bytes; + const uint8_t *line = p_buffer + (line_width * (height - 1)); + + for (uint64_t i = 0; i < height; i++) { + const uint8_t *line_ptr = line; + + for (unsigned int j = 0; j < w; j++) { + switch (bits_per_pixel) { + case 1: { + uint8_t color_index = *line_ptr; + + write_buffer[index + 0] = (color_index >> 7) & 1; + write_buffer[index + 1] = (color_index >> 6) & 1; + write_buffer[index + 2] = (color_index >> 5) & 1; + write_buffer[index + 3] = (color_index >> 4) & 1; + write_buffer[index + 4] = (color_index >> 3) & 1; + write_buffer[index + 5] = (color_index >> 2) & 1; + write_buffer[index + 6] = (color_index >> 1) & 1; + write_buffer[index + 7] = (color_index >> 0) & 1; + + index += 8; + line_ptr += 1; + } break; + case 4: { + uint8_t color_index = *line_ptr; + + write_buffer[index + 0] = (color_index >> 4) & 0x0f; + write_buffer[index + 1] = color_index & 0x0f; + + index += 2; + line_ptr += 1; + } break; + case 8: { + uint8_t color_index = *line_ptr; + + write_buffer[index] = color_index; + + index += 1; + line_ptr += 1; + } break; + case 24: { + uint32_t color = *((uint32_t *)line_ptr); + + write_buffer[index + 2] = color & 0xff; + write_buffer[index + 1] = (color >> 8) & 0xff; + write_buffer[index + 0] = (color >> 16) & 0xff; + write_buffer[index + 3] = 0xff; + + index += 4; + line_ptr += 3; + } break; + case 32: { + uint32_t color = *((uint32_t *)line_ptr); + + write_buffer[index + 2] = color & 0xff; + write_buffer[index + 1] = (color >> 8) & 0xff; + write_buffer[index + 0] = (color >> 16) & 0xff; + write_buffer[index + 3] = color >> 24; + + index += 4; + line_ptr += 4; + } break; } - line -= line_width; } + line -= line_width; + } - if (p_color_buffer == NULL || color_table_size == 0) { // regular pixels + if (p_color_buffer == NULL || color_table_size == 0) { // regular pixels - p_image->create(width, height, 0, Image::FORMAT_RGBA8, data); + p_image->create(width, height, 0, Image::FORMAT_RGBA8, data); - } else { // data is in indexed format, extend it + } else { // data is in indexed format, extend it - // Palette data - PoolVector palette_data; - palette_data.resize(color_table_size * 4); + // Palette data + PoolVector palette_data; + palette_data.resize(color_table_size * 4); - PoolVector::Write palette_data_w = palette_data.write(); - uint8_t *pal = palette_data_w.ptr(); + PoolVector::Write palette_data_w = palette_data.write(); + uint8_t *pal = palette_data_w.ptr(); - const uint8_t *cb = p_color_buffer; + const uint8_t *cb = p_color_buffer; - for (unsigned int i = 0; i < color_table_size; ++i) { - uint32_t color = *((uint32_t *)cb); + for (unsigned int i = 0; i < color_table_size; ++i) { + uint32_t color = *((uint32_t *)cb); - pal[i * 4 + 0] = (color >> 16) & 0xff; - pal[i * 4 + 1] = (color >> 8) & 0xff; - pal[i * 4 + 2] = (color)&0xff; - pal[i * 4 + 3] = 0xff; + pal[i * 4 + 0] = (color >> 16) & 0xff; + pal[i * 4 + 1] = (color >> 8) & 0xff; + pal[i * 4 + 2] = (color)&0xff; + pal[i * 4 + 3] = 0xff; - cb += 4; - } - // Extend palette to image - PoolVector extended_data; - extended_data.resize(data.size() * 4); + cb += 4; + } + // Extend palette to image + PoolVector extended_data; + extended_data.resize(data.size() * 4); - PoolVector::Write ex_w = extended_data.write(); - uint8_t *dest = ex_w.ptr(); + PoolVector::Write ex_w = extended_data.write(); + uint8_t *dest = ex_w.ptr(); - const int num_pixels = width * height; + const int num_pixels = width * height; - for (int i = 0; i < num_pixels; i++) { - dest[0] = pal[write_buffer[i] * 4 + 0]; - dest[1] = pal[write_buffer[i] * 4 + 1]; - dest[2] = pal[write_buffer[i] * 4 + 2]; - dest[3] = pal[write_buffer[i] * 4 + 3]; + for (int i = 0; i < num_pixels; i++) { + dest[0] = pal[write_buffer[i] * 4 + 0]; + dest[1] = pal[write_buffer[i] * 4 + 1]; + dest[2] = pal[write_buffer[i] * 4 + 2]; + dest[3] = pal[write_buffer[i] * 4 + 3]; - dest += 4; - } - p_image->create(width, height, 0, Image::FORMAT_RGBA8, extended_data); + dest += 4; } + p_image->create(width, height, 0, Image::FORMAT_RGBA8, extended_data); } } return err; -- cgit v1.2.3