| 84 | } |
| 85 | |
| 86 | Result Load(const void* buffer, uint32_t buffer_size, bool premult, bool flip_vertically, Image* image) |
| 87 | { |
| 88 | int x, y, comp; |
| 89 | |
| 90 | stbi_set_flip_vertically_on_load(flip_vertically); |
| 91 | |
| 92 | unsigned char* ret = stbi_load_from_memory((const stbi_uc*) buffer, (int) buffer_size, &x, &y, &comp, 0); |
| 93 | |
| 94 | // Reset to default state |
| 95 | stbi_set_flip_vertically_on_load(0); |
| 96 | |
| 97 | if (ret) { |
| 98 | Image i; |
| 99 | i.m_Width = (uint32_t) x; |
| 100 | i.m_Height = (uint32_t) y; |
| 101 | switch (comp) { |
| 102 | case 1: |
| 103 | i.m_Type = TYPE_LUMINANCE; |
| 104 | break; |
| 105 | case 2: |
| 106 | i.m_Type = TYPE_LUMINANCE_ALPHA; |
| 107 | if (premult) |
| 108 | { |
| 109 | PremultiplyLuminance(ret, x, y); |
| 110 | } |
| 111 | break; |
| 112 | case 3: |
| 113 | i.m_Type = TYPE_RGB; |
| 114 | break; |
| 115 | case 4: |
| 116 | i.m_Type = TYPE_RGBA; |
| 117 | if (premult) |
| 118 | { |
| 119 | PremultiplyRGBA(ret, x, y); |
| 120 | } |
| 121 | break; |
| 122 | default: |
| 123 | dmLogError("Unexpected number of components in image (%d)", comp); |
| 124 | free(ret); |
| 125 | return RESULT_IMAGE_ERROR; |
| 126 | } |
| 127 | i.m_Buffer = (void*) ret; |
| 128 | *image = i; |
| 129 | return RESULT_OK; |
| 130 | } else { |
| 131 | dmLogError("Failed to load image: '%s'", stbi_failure_reason()); |
| 132 | return RESULT_IMAGE_ERROR; |
| 133 | } |
| 134 | } |
| 135 | |
| 136 | void Free(Image* image) |
| 137 | { |