70 lines
2.0 KiB
C++
70 lines
2.0 KiB
C++
#pragma once
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enum class BitmapTypes : char
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{
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None = 0,
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RawBitmap = 1,
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DibBitmap = 2,
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Spliced = 4,
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};
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struct gdrv_bitmap8
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{
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char* BmpBufPtr1;
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int Width;
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int Height;
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int Stride;
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BitmapTypes BitmapType;
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int XPosition;
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int YPosition;
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};
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struct Rgba
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{
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uint8_t peRed;
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uint8_t peGreen;
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uint8_t peBlue;
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uint8_t peFlags;
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};
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union ColorRgba
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{
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uint32_t Color;
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Rgba rgba;
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};
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static_assert(sizeof(ColorRgba) == 4, "Wrong size of RGBA color");
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class gdrv
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{
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public:
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static SDL_Rect DestinationRect;
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static int init(int width, int height);
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static int uninit();
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static void get_focus();
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static int create_bitmap(gdrv_bitmap8* bmp, int width, int height);
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static int create_raw_bitmap(gdrv_bitmap8* bmp, int width, int height, int flag);
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static int create_spliced_bitmap(gdrv_bitmap8* bmp, int width, int height, int size);
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static int destroy_bitmap(gdrv_bitmap8* bmp);
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static int display_palette(ColorRgba* plt);
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static void start_blit_sequence();
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static void end_blit_sequence();
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static void blit(gdrv_bitmap8* bmp, int xSrc, int ySrc, int xDest, int yDest, int width, int height);
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static void blat(gdrv_bitmap8* bmp, int xDest, int yDest);
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static void fill_bitmap(gdrv_bitmap8* bmp, int width, int height, int xOff, int yOff, char fillChar);
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static void copy_bitmap(gdrv_bitmap8* dstBmp, int width, int height, int xOff, int yOff, gdrv_bitmap8* srcBmp,
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int srcXOff, int srcYOff);
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static void copy_bitmap_w_transparency(gdrv_bitmap8* dstBmp, int width, int height, int xOff, int yOff,
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gdrv_bitmap8* srcBmp, int srcXOff, int srcYOff);
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static void grtext_draw_ttext_in_box(LPCSTR text, int xOff, int yOff, int width, int height, int a6);
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static void BlitScreen();
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private:
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static SDL_Texture* vScreenTex;
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static char* vScreenPixels;
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static int vScreenWidth, vScreenHeight;
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static ColorRgba current_palette[256];
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static int StretchDIBitsScaled(int xSrc, int ySrc, int xDst, int yDst,
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int width, int height, gdrv_bitmap8* bmp);
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};
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