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int | SDL_BlendPoint (SDL_Surface *dst, int x, int y, SDL_BlendMode blendMode, Uint8 r, Uint8 g, Uint8 b, Uint8 a) |
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int | SDL_BlendPoints (SDL_Surface *dst, const SDL_Point *points, int count, SDL_BlendMode blendMode, Uint8 r, Uint8 g, Uint8 b, Uint8 a) |
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◆ SDL_BlendPoint()
Definition at line 217 of file SDL_blendpoint.c.
225 if (
dst->format->BitsPerPixel < 8) {
226 return SDL_SetError(
"SDL_BlendPoint(): Unsupported surface format");
231 x >= (
dst->clip_rect.x +
dst->clip_rect.w) ||
232 y >= (
dst->clip_rect.y +
dst->clip_rect.h)) {
242 switch (
dst->format->BitsPerPixel) {
244 switch (
dst->format->Rmask) {
250 switch (
dst->format->Rmask) {
256 switch (
dst->format->Rmask) {
258 if (!
dst->format->Amask) {
270 if (!
dst->format->Amask) {
References blendMode, DRAW_MUL, SDL_BLENDMODE_ADD, SDL_BLENDMODE_BLEND, SDL_BlendPoint_ARGB8888(), SDL_BlendPoint_RGB(), SDL_BlendPoint_RGB555(), SDL_BlendPoint_RGB565(), SDL_BlendPoint_RGB888(), SDL_BlendPoint_RGBA(), and SDL_SetError.
Referenced by SDL_BlendLines().
◆ SDL_BlendPoints()
Definition at line 278 of file SDL_blendpoint.c.
294 if (
dst->format->BitsPerPixel < 8) {
295 return SDL_SetError(
"SDL_BlendPoints(): Unsupported surface format");
305 switch (
dst->format->BitsPerPixel) {
307 switch (
dst->format->Rmask) {
314 switch (
dst->format->Rmask) {
321 switch (
dst->format->Rmask) {
323 if (!
dst->format->Amask) {
336 if (!
dst->format->Amask) {
343 minx =
dst->clip_rect.x;
344 maxx =
dst->clip_rect.x +
dst->clip_rect.w - 1;
345 miny =
dst->clip_rect.y;
346 maxy =
dst->clip_rect.y +
dst->clip_rect.h - 1;
References blendMode, DRAW_MUL, i, NULL, SDL_BLENDMODE_ADD, SDL_BLENDMODE_BLEND, SDL_BlendPoint_ARGB8888(), SDL_BlendPoint_RGB(), SDL_BlendPoint_RGB555(), SDL_BlendPoint_RGB565(), SDL_BlendPoint_RGB888(), SDL_BlendPoint_RGBA(), and SDL_SetError.
Referenced by SW_RunCommandQueue().
GLfixed GLfixed GLint GLint GLfixed points
static SDL_BlendMode blendMode
A collection of pixels used in software blitting.
GLboolean GLboolean GLboolean b
GLuint GLuint GLsizei count
GLdouble GLdouble GLdouble r
static int SDL_BlendPoint_RGBA(SDL_Surface *dst, int x, int y, SDL_BlendMode blendMode, Uint8 r, Uint8 g, Uint8 b, Uint8 a)
GLboolean GLboolean GLboolean GLboolean a
static int SDL_BlendPoint_RGB565(SDL_Surface *dst, int x, int y, SDL_BlendMode blendMode, Uint8 r, Uint8 g, Uint8 b, Uint8 a)
GLint GLint GLint GLint GLint x
static int SDL_BlendPoint_RGB(SDL_Surface *dst, int x, int y, SDL_BlendMode blendMode, Uint8 r, Uint8 g, Uint8 b, Uint8 a)
GLint GLint GLint GLint GLint GLint y
static int SDL_BlendPoint_RGB555(SDL_Surface *dst, int x, int y, SDL_BlendMode blendMode, Uint8 r, Uint8 g, Uint8 b, Uint8 a)
static int SDL_BlendPoint_RGB888(SDL_Surface *dst, int x, int y, SDL_BlendMode blendMode, Uint8 r, Uint8 g, Uint8 b, Uint8 a)
SDL_BlendMode
The blend mode used in SDL_RenderCopy() and drawing operations.
return Display return Display Bool Bool int int int return Display XEvent Bool(*) XPointer return Display return Display Drawable _Xconst char unsigned int unsigned int return Display Pixmap Pixmap XColor XColor unsigned int unsigned int return Display _Xconst char char int char return Display Visual unsigned int int int char unsigned int unsigned int in i)
static int SDL_BlendPoint_ARGB8888(SDL_Surface *dst, int x, int y, SDL_BlendMode blendMode, Uint8 r, Uint8 g, Uint8 b, Uint8 a)