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Typedefs | Functions
SDL_blendline.c File Reference
#include "SDL_config.h"
#include "SDL_draw.h"
#include "SDL_blendline.h"
#include "SDL_blendpoint.h"

Go to the source code of this file.

Typedefs

typedef void(* BlendLineFunc )(SDL_Surface *dst, int x1, int y1, int x2, int y2, SDL_BlendMode blendMode, Uint8 r, Uint8 g, Uint8 b, Uint8 a, SDL_bool draw_end)
 

Functions

int SDL_BlendLine (SDL_Surface *dst, int x1, int y1, int x2, int y2, SDL_BlendMode blendMode, Uint8 r, Uint8 g, Uint8 b, Uint8 a)
 
static void SDL_BlendLine_ARGB8888 (SDL_Surface *dst, int x1, int y1, int x2, int y2, SDL_BlendMode blendMode, Uint8 _r, Uint8 _g, Uint8 _b, Uint8 _a, SDL_bool draw_end)
 
static void SDL_BlendLine_RGB2 (SDL_Surface *dst, int x1, int y1, int x2, int y2, SDL_BlendMode blendMode, Uint8 _r, Uint8 _g, Uint8 _b, Uint8 _a, SDL_bool draw_end)
 
static void SDL_BlendLine_RGB4 (SDL_Surface *dst, int x1, int y1, int x2, int y2, SDL_BlendMode blendMode, Uint8 _r, Uint8 _g, Uint8 _b, Uint8 _a, SDL_bool draw_end)
 
static void SDL_BlendLine_RGB555 (SDL_Surface *dst, int x1, int y1, int x2, int y2, SDL_BlendMode blendMode, Uint8 _r, Uint8 _g, Uint8 _b, Uint8 _a, SDL_bool draw_end)
 
static void SDL_BlendLine_RGB565 (SDL_Surface *dst, int x1, int y1, int x2, int y2, SDL_BlendMode blendMode, Uint8 _r, Uint8 _g, Uint8 _b, Uint8 _a, SDL_bool draw_end)
 
static void SDL_BlendLine_RGB888 (SDL_Surface *dst, int x1, int y1, int x2, int y2, SDL_BlendMode blendMode, Uint8 _r, Uint8 _g, Uint8 _b, Uint8 _a, SDL_bool draw_end)
 
static void SDL_BlendLine_RGBA4 (SDL_Surface *dst, int x1, int y1, int x2, int y2, SDL_BlendMode blendMode, Uint8 _r, Uint8 _g, Uint8 _b, Uint8 _a, SDL_bool draw_end)
 
int SDL_BlendLines (SDL_Surface *dst, const SDL_Point *points, int count, SDL_BlendMode blendMode, Uint8 r, Uint8 g, Uint8 b, Uint8 a)
 
static BlendLineFunc SDL_CalculateBlendLineFunc (const SDL_PixelFormat *fmt)
 

Typedef Documentation

typedef void(* BlendLineFunc)(SDL_Surface *dst, int x1, int y1, int x2, int y2, SDL_BlendMode blendMode, Uint8 r, Uint8 g, Uint8 b, Uint8 a, SDL_bool draw_end)

Definition at line 670 of file SDL_blendline.c.

Function Documentation

int SDL_BlendLine ( SDL_Surface *  dst,
int  x1,
int  y1,
int  x2,
int  y2,
SDL_BlendMode  blendMode,
Uint8  r,
Uint8  g,
Uint8  b,
Uint8  a 
)

Definition at line 708 of file SDL_blendline.c.

References SDL_Surface::clip_rect, SDL_Surface::format, SDL_CalculateBlendLineFunc(), SDL_IntersectRectAndLine(), SDL_SetError(), and SDL_TRUE.

static void SDL_BlendLine_ARGB8888 ( SDL_Surface *  dst,
int  x1,
int  y1,
int  x2,
int  y2,
SDL_BlendMode  blendMode,
Uint8  _r,
Uint8  _g,
Uint8  _b,
Uint8  _a,
SDL_bool  draw_end 
)
static

Definition at line 580 of file SDL_blendline.c.

References AALINE, ABS, DLINE, DRAW_MUL, DRAW_SETPIXEL_ADD_ARGB8888, DRAW_SETPIXEL_ARGB8888, DRAW_SETPIXEL_BLEND_ARGB8888, DRAW_SETPIXEL_MOD_ARGB8888, DRAW_SETPIXELXY_ADD_ARGB8888, DRAW_SETPIXELXY_ARGB8888, DRAW_SETPIXELXY_BLEND_ARGB8888, DRAW_SETPIXELXY_MOD_ARGB8888, HLINE, SDL_BLENDMODE_ADD, SDL_BLENDMODE_BLEND, SDL_BLENDMODE_MOD, and VLINE.

Referenced by SDL_CalculateBlendLineFunc().

static void SDL_BlendLine_RGB2 ( SDL_Surface *  dst,
int  x1,
int  y1,
int  x2,
int  y2,
SDL_BlendMode  blendMode,
Uint8  _r,
Uint8  _g,
Uint8  _b,
Uint8  _a,
SDL_bool  draw_end 
)
static

Definition at line 31 of file SDL_blendline.c.

References AALINE, ABS, DLINE, DRAW_MUL, DRAW_SETPIXEL_ADD_RGB, DRAW_SETPIXEL_BLEND_RGB, DRAW_SETPIXEL_MOD_RGB, DRAW_SETPIXEL_RGB, DRAW_SETPIXELXY2_ADD_RGB, DRAW_SETPIXELXY2_BLEND_RGB, DRAW_SETPIXELXY2_MOD_RGB, DRAW_SETPIXELXY2_RGB, SDL_Surface::format, HLINE, SDL_BLENDMODE_ADD, SDL_BLENDMODE_BLEND, SDL_BLENDMODE_MOD, and VLINE.

Referenced by SDL_CalculateBlendLineFunc().

static void SDL_BlendLine_RGB4 ( SDL_Surface *  dst,
int  x1,
int  y1,
int  x2,
int  y2,
SDL_BlendMode  blendMode,
Uint8  _r,
Uint8  _g,
Uint8  _b,
Uint8  _a,
SDL_bool  draw_end 
)
static

Definition at line 305 of file SDL_blendline.c.

References AALINE, ABS, DLINE, DRAW_MUL, DRAW_SETPIXEL_ADD_RGB, DRAW_SETPIXEL_BLEND_RGB, DRAW_SETPIXEL_MOD_RGB, DRAW_SETPIXEL_RGB, DRAW_SETPIXELXY4_ADD_RGB, DRAW_SETPIXELXY4_BLEND_RGB, DRAW_SETPIXELXY4_MOD_RGB, DRAW_SETPIXELXY4_RGB, SDL_Surface::format, HLINE, SDL_BLENDMODE_ADD, SDL_BLENDMODE_BLEND, SDL_BLENDMODE_MOD, and VLINE.

Referenced by SDL_CalculateBlendLineFunc().

static void SDL_BlendLine_RGB555 ( SDL_Surface *  dst,
int  x1,
int  y1,
int  x2,
int  y2,
SDL_BlendMode  blendMode,
Uint8  _r,
Uint8  _g,
Uint8  _b,
Uint8  _a,
SDL_bool  draw_end 
)
static

Definition at line 123 of file SDL_blendline.c.

References AALINE, ABS, DLINE, DRAW_MUL, DRAW_SETPIXEL_ADD_RGB555, DRAW_SETPIXEL_BLEND_RGB555, DRAW_SETPIXEL_MOD_RGB555, DRAW_SETPIXEL_RGB555, DRAW_SETPIXELXY_ADD_RGB555, DRAW_SETPIXELXY_BLEND_RGB555, DRAW_SETPIXELXY_MOD_RGB555, DRAW_SETPIXELXY_RGB555, HLINE, SDL_BLENDMODE_ADD, SDL_BLENDMODE_BLEND, SDL_BLENDMODE_MOD, and VLINE.

Referenced by SDL_CalculateBlendLineFunc().

static void SDL_BlendLine_RGB565 ( SDL_Surface *  dst,
int  x1,
int  y1,
int  x2,
int  y2,
SDL_BlendMode  blendMode,
Uint8  _r,
Uint8  _g,
Uint8  _b,
Uint8  _a,
SDL_bool  draw_end 
)
static

Definition at line 214 of file SDL_blendline.c.

References AALINE, ABS, DLINE, DRAW_MUL, DRAW_SETPIXEL_ADD_RGB565, DRAW_SETPIXEL_BLEND_RGB565, DRAW_SETPIXEL_MOD_RGB565, DRAW_SETPIXEL_RGB565, DRAW_SETPIXELXY_ADD_RGB565, DRAW_SETPIXELXY_BLEND_RGB565, DRAW_SETPIXELXY_MOD_RGB565, DRAW_SETPIXELXY_RGB565, HLINE, SDL_BLENDMODE_ADD, SDL_BLENDMODE_BLEND, SDL_BLENDMODE_MOD, and VLINE.

Referenced by SDL_CalculateBlendLineFunc().

static void SDL_BlendLine_RGB888 ( SDL_Surface *  dst,
int  x1,
int  y1,
int  x2,
int  y2,
SDL_BlendMode  blendMode,
Uint8  _r,
Uint8  _g,
Uint8  _b,
Uint8  _a,
SDL_bool  draw_end 
)
static

Definition at line 489 of file SDL_blendline.c.

References AALINE, ABS, DLINE, DRAW_MUL, DRAW_SETPIXEL_ADD_RGB888, DRAW_SETPIXEL_BLEND_RGB888, DRAW_SETPIXEL_MOD_RGB888, DRAW_SETPIXEL_RGB888, DRAW_SETPIXELXY_ADD_RGB888, DRAW_SETPIXELXY_BLEND_RGB888, DRAW_SETPIXELXY_MOD_RGB888, DRAW_SETPIXELXY_RGB888, HLINE, SDL_BLENDMODE_ADD, SDL_BLENDMODE_BLEND, SDL_BLENDMODE_MOD, and VLINE.

Referenced by SDL_CalculateBlendLineFunc().

static void SDL_BlendLine_RGBA4 ( SDL_Surface *  dst,
int  x1,
int  y1,
int  x2,
int  y2,
SDL_BlendMode  blendMode,
Uint8  _r,
Uint8  _g,
Uint8  _b,
Uint8  _a,
SDL_bool  draw_end 
)
static

Definition at line 397 of file SDL_blendline.c.

References AALINE, ABS, DLINE, DRAW_MUL, DRAW_SETPIXEL_ADD_RGBA, DRAW_SETPIXEL_BLEND_RGBA, DRAW_SETPIXEL_MOD_RGBA, DRAW_SETPIXEL_RGBA, DRAW_SETPIXELXY4_ADD_RGBA, DRAW_SETPIXELXY4_BLEND_RGBA, DRAW_SETPIXELXY4_MOD_RGBA, DRAW_SETPIXELXY4_RGBA, SDL_Surface::format, HLINE, SDL_BLENDMODE_ADD, SDL_BLENDMODE_BLEND, SDL_BLENDMODE_MOD, and VLINE.

Referenced by SDL_CalculateBlendLineFunc().

int SDL_BlendLines ( SDL_Surface *  dst,
const SDL_Point *  points,
int  count,
SDL_BlendMode  blendMode,
Uint8  r,
Uint8  g,
Uint8  b,
Uint8  a 
)

Definition at line 733 of file SDL_blendline.c.

References SDL_Surface::clip_rect, SDL_Surface::format, i, SDL_BlendPoint(), SDL_CalculateBlendLineFunc(), SDL_IntersectRectAndLine(), SDL_SetError(), SDL_Point::x, and SDL_Point::y.

Referenced by SW_RenderDrawLines().

static BlendLineFunc SDL_CalculateBlendLineFunc ( const SDL_PixelFormat *  fmt)
static

Definition at line 677 of file SDL_blendline.c.

References SDL_PixelFormat::Amask, SDL_PixelFormat::BytesPerPixel, NULL, SDL_PixelFormat::Rmask, SDL_BlendLine_ARGB8888(), SDL_BlendLine_RGB2(), SDL_BlendLine_RGB4(), SDL_BlendLine_RGB555(), SDL_BlendLine_RGB565(), SDL_BlendLine_RGB888(), and SDL_BlendLine_RGBA4().

Referenced by SDL_BlendLine(), and SDL_BlendLines().