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/* $Id$ */
#ifndef GFX_H
#define GFX_H
typedef byte Pixel;
struct DrawPixelInfo {
Pixel *dst_ptr;
int left, top, width, height;
int pitch;
uint16 zoom;
};
typedef struct CursorVars {
Point pos, size, offs, delta; ///< position, size, offset from top-left, and movement
Point draw_pos, draw_size; ///< position and size bounding-box for drawing
CursorID sprite; ///< current image of cursor
int wheel; ///< mouse wheel movement
const CursorID *animate_list, *animate_cur; ///< in case of animated cursor, list of frames
uint animate_timeout; ///< current frame in list of animated cursor
bool visible; ///< cursor is visible
bool dirty; ///< the rect occupied by the mouse is dirty (redraw)
bool fix_at; ///< mouse is moving, but cursor is not (used for scrolling)
bool in_window; ///< mouse inside this window, determines drawing logic
} CursorVars;
typedef enum FontSizes {
FS_NORMAL,
FS_SMALL,
FS_LARGE,
FS_END,
} FontSize;
void RedrawScreenRect(int left, int top, int right, int bottom);
void GfxScroll(int left, int top, int width, int height, int xo, int yo);
// XXX doesn't really belong here, but the only
// consumers always use it in conjunction with DoDrawString()
#define UPARROW "\x80"
#define DOWNARROW "\xAA"
int DrawStringCentered(int x, int y, StringID str, uint16 color);
int DrawStringCenteredTruncated(int xl, int xr, int y, StringID str, uint16 color);
int DoDrawStringCentered(int x, int y, const char *str, uint16 color);
int DrawString(int x, int y, StringID str, uint16 color);
int DrawStringTruncated(int x, int y, StringID str, uint16 color, uint maxw);
int DoDrawString(const char *string, int x, int y, uint16 color);
int DoDrawStringTruncated(const char *str, int x, int y, uint16 color, uint maxw);
void DrawStringCenterUnderline(int x, int y, StringID str, uint16 color);
void DrawStringCenterUnderlineTruncated(int xl, int xr, int y, StringID str, uint16 color);
int DrawStringRightAligned(int x, int y, StringID str, uint16 color);
void DrawStringRightAlignedTruncated(int x, int y, StringID str, uint16 color, uint maxw);
void DrawStringRightAlignedUnderline(int x, int y, StringID str, uint16 color);
void GfxFillRect(int left, int top, int right, int bottom, int color);
void GfxDrawLine(int left, int top, int right, int bottom, int color);
BoundingRect GetStringBoundingBox(const char *str);
uint32 FormatStringLinebreaks(char *str, int maxw);
void LoadStringWidthTable(void);
void DrawStringMultiCenter(int x, int y, StringID str, int maxw);
uint DrawStringMultiLine(int x, int y, StringID str, int maxw);
void DrawDirtyBlocks(void);
void SetDirtyBlocks(int left, int top, int right, int bottom);
void MarkWholeScreenDirty(void);
void GfxInitPalettes(void);
bool FillDrawPixelInfo(DrawPixelInfo* n, int left, int top, int width, int height);
/* window.c */
void DrawOverlappedWindowForAll(int left, int top, int right, int bottom);
void SetMouseCursor(uint cursor);
void SetAnimatedMouseCursor(const CursorID *table);
void CursorTick(void);
void DrawMouseCursor(void);
void ScreenSizeChanged(void);
void UndrawMouseCursor(void);
bool ChangeResInGame(int w, int h);
void SortResolutions(int count);
void ToggleFullScreen(bool fs);
/* gfx.c */
#define ASCII_LETTERSTART 32
extern FontSize _cur_fontsize;
extern byte _stringwidth_table[FS_END][224];
static inline byte GetCharacterWidth(FontSize size, byte key)
{
assert(key >= ASCII_LETTERSTART);
return _stringwidth_table[size][key - ASCII_LETTERSTART];
}
static inline byte GetCharacterHeight(FontSize size)
{
switch (size) {
default: NOT_REACHED();
case FS_NORMAL: return 10;
case FS_SMALL: return 6;
case FS_LARGE: return 18;
}
}
VARDEF DrawPixelInfo _screen;
VARDEF DrawPixelInfo *_cur_dpi;
VARDEF CursorVars _cursor;
enum {
COLOUR_DARK_BLUE,
COLOUR_PALE_GREEN,
COLOUR_PINK,
COLOUR_YELLOW,
COLOUR_RED,
COLOUR_LIGHT_BLUE,
COLOUR_GREEN,
COLOUR_DARK_GREEN,
COLOUR_BLUE,
COLOUR_CREAM,
COLOUR_MAUVE,
COLOUR_PURPLE,
COLOUR_ORANGE,
COLOUR_BROWN,
COLOUR_GREY,
COLOUR_WHITE
};
/**
* All 16 colour gradients
* 8 colours per gradient from darkest (0) to lightest (7)
*/
VARDEF byte _colour_gradient[16][8];
VARDEF int _pal_first_dirty;
VARDEF int _pal_last_dirty;
VARDEF bool _use_dos_palette;
typedef struct Colour {
byte r;
byte g;
byte b;
} Colour;
extern Colour _cur_palette[256];
typedef enum StringColorFlags {
IS_PALETTE_COLOR = 0x100, // color value is already a real palette color index, not an index of a StringColor
} StringColorFlags;
#ifdef _DEBUG
extern bool _dbg_screen_rect;
#endif
#endif /* GFX_H */
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