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#ifndef __DRAW_H__
#define __DRAW_H__
#include "port.h"
#define GCW0_SCREEN_WIDTH 320
#define GCW0_SCREEN_HEIGHT 240
extern SDL_Surface* GBAScreenSurface;
extern SDL_Surface* OutputSurface;
extern uint_fast8_t AudioFrameskip;
extern uint_fast8_t AudioFrameskipControl;
extern uint_fast8_t UserFrameskipControl;
// Incremented by the video thread when it decides to skip a frame due to
// fast forwarding.
extern volatile unsigned int VideoFastForwarded;
// How many back buffers have had ApplyScaleMode called upon them?
// At 3, even a triple-buffered surface has had ApplyScaleMode called on
// all back buffers, so stopping remanence with ApplyScaleMode is wasteful.
extern uint_fast8_t FramesBordered;
typedef enum
{
scaled_aspect,
fullscreen,
scaled_aspect_bilinear,
fullscreen_bilinear,
scaled_aspect_subpixel,
fullscreen_subpixel,
unscaled,
hardware
} video_scale_type;
enum HorizontalAlignment {
LEFT,
CENTER,
RIGHT
};
enum VerticalAlignment {
TOP,
MIDDLE,
BOTTOM
};
extern video_scale_type PerGameScaleMode;
extern video_scale_type ScaleMode;
void init_video();
extern bool ApplyBorder(const char* Filename);
extern void ApplyScaleMode(video_scale_type NewMode);
/*
* Tells the drawing subsystem that it should start calling ApplyScaleMode
* again to stop image remanence. This is called by the menu and progress
* functions to indicate that their screens may have created artifacts around
* the GBA screen.
*/
extern void ScaleModeUnapplied();
extern void gba_render_half(uint16_t* Dest, uint16_t* Src, uint32_t DestX, uint32_t DestY,
uint32_t SrcPitch, uint32_t DestPitch);
void PrintString(const char* String, uint16_t TextColor,
void* Dest, uint32_t DestPitch, uint32_t X, uint32_t Y, uint32_t Width, uint32_t Height,
enum HorizontalAlignment HorizontalAlignment, enum VerticalAlignment VerticalAlignment);
void PrintStringOutline(const char* String, uint16_t TextColor, uint16_t OutlineColor,
void* Dest, uint32_t DestPitch, uint32_t X, uint32_t Y, uint32_t Width, uint32_t Height,
enum HorizontalAlignment HorizontalAlignment, enum VerticalAlignment VerticalAlignment);
extern uint32_t GetRenderedWidth(const char* str);
extern uint32_t GetRenderedHeight(const char* str);
void ReGBA_VideoFlip();
void SetMenuResolution();
void SetGameResolution();
/*
* Returns a new allocation containing a copy of the GBA screen. Its pixels
* and lines are packed (the pitch is 480 bytes), and its pixel format is
* XBGR 1555.
* Output assertions:
* The returned pointer is non-NULL. If it is NULL, then this is a fatal
* error.
*/
extern uint16_t* copy_screen();
#define RGB888_TO_RGB565(r, g, b) ( \
(((r) & 0xF8) << 8) | \
(((g) & 0xFC) << 3) | \
(((b) & 0xF8) >> 3) \
)
#endif /* __DRAW_H__ */
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