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59 lines
1.3 KiB
59 lines
1.3 KiB
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#include <cstring> |
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#include "stb_image.h" |
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#include "dumbLog.h" |
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#include "util_image.h" |
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util_image parseSTBResult(util_image img); |
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util_image |
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utilLoadImagePath(const char* full_path) |
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{ |
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LOG(Info) << "Loading Image: " << full_path << "\n"; |
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util_image image; |
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stbi_set_flip_vertically_on_load(1); |
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return parseSTBResult(image); |
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} |
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util_image |
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utilLoadImageBytes(const uint8* bytes, uint length) |
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{ |
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LOG(Info) << "Loading binary image data\n"; |
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util_image image; |
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stbi_set_flip_vertically_on_load(1); |
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image.pixels = stbi_load_from_memory(bytes, length, &image.w, &image.h, &image.num_channels, 0); |
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return parseSTBResult(image); |
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} |
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void |
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utilFreeImage(util_image image) |
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{ |
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image.w = image.h = image.data_len = 0; |
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image.bits_per_channel = 8; |
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image.num_channels = 4; |
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std::memset(image.file_path, 0, std::strlen(image.file_path) + 1); |
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utilSafeFree(image.pixels); |
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} |
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util_image |
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parseSTBResult(util_image image) |
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{ |
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image.bits_per_channel = 8; |
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image.data_len = image.w * image.h * image.num_channels; // NOTE: assumes 8 bits per channel |
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if (image.pixels == 0) { |
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LOG(Error) << stbi_failure_reason() << "\n"; |
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utilFreeImage(image); |
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return image; |
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} |
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LOG(Info) << "Image properties, data_len: " << image.data_len |
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<< ", width: " << image.w << ", height: " << image.h << "\n"; |
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return image; |
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}
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