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-rw-r--r--src/gdisp/gdisp_image_bmp.c10
1 files changed, 10 insertions, 0 deletions
diff --git a/src/gdisp/gdisp_image_bmp.c b/src/gdisp/gdisp_image_bmp.c
index 188c9313..270cba26 100644
--- a/src/gdisp/gdisp_image_bmp.c
+++ b/src/gdisp/gdisp_image_bmp.c
@@ -11,6 +11,16 @@
#include "gdisp_image_support.h"
+#if GDISP_IMAGE_BMP_BLIT_BUFFER_SIZE * (COLOR_TYPE_BITS/8) < 40
+ #if GFX_COMPILER_WARNING_TYPE == GFX_COMPILER_WARNING_DIRECT
+ #warning "GDISP: GDISP_IMAGE_BMP_BLIT_BUFFER_SIZE must be at least 40 bytes. It has been adjusted for you."
+ #elif GFX_COMPILER_WARNING_TYPE == GFX_COMPILER_WARNING_MACRO
+ COMPILER_WARNING("GDISP: GDISP_IMAGE_BMP_BLIT_BUFFER_SIZE must be at least 40 bytes. It has been adjusted for you.")
+ #endif
+ #undef GDISP_IMAGE_BMP_BLIT_BUFFER_SIZE
+ #define GDISP_IMAGE_BMP_BLIT_BUFFER_SIZE ((40 + (COLOR_TYPE_BITS/8) - 1) / (COLOR_TYPE_BITS/8))
+#endif
+
typedef struct gdispImagePrivate_BMP {
gU8 bmpflags;
#define BMP_V2 0x01 // Version 2 (old) header format