SDL2_gfxPrimitives.hpp file

Functions

auto pixelColor(SDL_Renderer* renderer, Sint16 x, Sint16 y, Uint32 color) -> SDL2_GFXPRIMITIVES_SCOPE int: Draw pixel with blending enabled if a<255.
auto pixelRGBA(SDL_Renderer* renderer, Sint16 x, Sint16 y, Uint8 r, Uint8 g, Uint8 b, Uint8 a) -> SDL2_GFXPRIMITIVES_SCOPE int: Draw pixel with blending enabled if a<255.
auto hlineColor(SDL_Renderer* renderer, Sint16 x1, Sint16 x2, Sint16 y, Uint32 color) -> SDL2_GFXPRIMITIVES_SCOPE int: Draw horizontal line with blending.
auto hlineRGBA(SDL_Renderer* renderer, Sint16 x1, Sint16 x2, Sint16 y, Uint8 r, Uint8 g, Uint8 b, Uint8 a) -> SDL2_GFXPRIMITIVES_SCOPE int: Draw horizontal line with blending.
auto vlineColor(SDL_Renderer* renderer, Sint16 x, Sint16 y1, Sint16 y2, Uint32 color) -> SDL2_GFXPRIMITIVES_SCOPE int: Draw vertical line with blending.
auto vlineRGBA(SDL_Renderer* renderer, Sint16 x, Sint16 y1, Sint16 y2, Uint8 r, Uint8 g, Uint8 b, Uint8 a) -> SDL2_GFXPRIMITIVES_SCOPE int: Draw vertical line with blending.
auto rectangleColor(SDL_Renderer* renderer, Sint16 x1, Sint16 y1, Sint16 x2, Sint16 y2, Uint32 color) -> SDL2_GFXPRIMITIVES_SCOPE int: Draw rectangle with blending.
auto rectangleRGBA(SDL_Renderer* renderer, Sint16 x1, Sint16 y1, Sint16 x2, Sint16 y2, Uint8 r, Uint8 g, Uint8 b, Uint8 a) -> SDL2_GFXPRIMITIVES_SCOPE int: Draw rectangle with blending.
auto roundedRectangleColor(SDL_Renderer* renderer, Sint16 x1, Sint16 y1, Sint16 x2, Sint16 y2, Sint16 rad, Uint32 color) -> SDL2_GFXPRIMITIVES_SCOPE int: Draw rounded-corner rectangle with blending.
auto roundedRectangleRGBA(SDL_Renderer* renderer, Sint16 x1, Sint16 y1, Sint16 x2, Sint16 y2, Sint16 rad, Uint8 r, Uint8 g, Uint8 b, Uint8 a) -> SDL2_GFXPRIMITIVES_SCOPE int: Draw rounded-corner rectangle with blending.
auto boxColor(SDL_Renderer* renderer, Sint16 x1, Sint16 y1, Sint16 x2, Sint16 y2, Uint32 color) -> SDL2_GFXPRIMITIVES_SCOPE int: Draw box (filled rectangle) with blending.
auto boxRGBA(SDL_Renderer* renderer, Sint16 x1, Sint16 y1, Sint16 x2, Sint16 y2, Uint8 r, Uint8 g, Uint8 b, Uint8 a) -> SDL2_GFXPRIMITIVES_SCOPE int: Draw box (filled rectangle) with blending.
auto roundedBoxColor(SDL_Renderer* renderer, Sint16 x1, Sint16 y1, Sint16 x2, Sint16 y2, Sint16 rad, Uint32 color) -> SDL2_GFXPRIMITIVES_SCOPE int: Draw rounded-corner box (filled rectangle) with blending.
auto roundedBoxRGBA(SDL_Renderer* renderer, Sint16 x1, Sint16 y1, Sint16 x2, Sint16 y2, Sint16 rad, Uint8 r, Uint8 g, Uint8 b, Uint8 a) -> SDL2_GFXPRIMITIVES_SCOPE int: Draw rounded-corner box (filled rectangle) with blending.
auto lineColor(SDL_Renderer* renderer, Sint16 x1, Sint16 y1, Sint16 x2, Sint16 y2, Uint32 color) -> SDL2_GFXPRIMITIVES_SCOPE int: Draw line with alpha blending.
auto lineRGBA(SDL_Renderer* renderer, Sint16 x1, Sint16 y1, Sint16 x2, Sint16 y2, Uint8 r, Uint8 g, Uint8 b, Uint8 a) -> SDL2_GFXPRIMITIVES_SCOPE int: Draw line with alpha blending.
auto aalineColor(SDL_Renderer* renderer, Sint16 x1, Sint16 y1, Sint16 x2, Sint16 y2, Uint32 color) -> SDL2_GFXPRIMITIVES_SCOPE int: Draw anti-aliased line with alpha blending.
auto aalineRGBA(SDL_Renderer* renderer, Sint16 x1, Sint16 y1, Sint16 x2, Sint16 y2, Uint8 r, Uint8 g, Uint8 b, Uint8 a) -> SDL2_GFXPRIMITIVES_SCOPE int: Draw anti-aliased line with alpha blending.
auto thickLineColor(SDL_Renderer* renderer, Sint16 x1, Sint16 y1, Sint16 x2, Sint16 y2, Uint8 width, Uint32 color) -> SDL2_GFXPRIMITIVES_SCOPE int: Draw a thick line with alpha blending.
auto thickLineRGBA(SDL_Renderer* renderer, Sint16 x1, Sint16 y1, Sint16 x2, Sint16 y2, Uint8 width, Uint8 r, Uint8 g, Uint8 b, Uint8 a) -> SDL2_GFXPRIMITIVES_SCOPE int: Draw a thick line with alpha blending.
auto circleColor(SDL_Renderer* renderer, Sint16 x, Sint16 y, Sint16 rad, Uint32 color) -> SDL2_GFXPRIMITIVES_SCOPE int: Draw circle with blending.
auto circleRGBA(SDL_Renderer* renderer, Sint16 x, Sint16 y, Sint16 rad, Uint8 r, Uint8 g, Uint8 b, Uint8 a) -> SDL2_GFXPRIMITIVES_SCOPE int: Draw circle with blending.
auto arcColor(SDL_Renderer* renderer, Sint16 x, Sint16 y, Sint16 rad, Sint16 start, Sint16 end, Uint32 color) -> SDL2_GFXPRIMITIVES_SCOPE int: Arc with blending.
auto arcRGBA(SDL_Renderer* renderer, Sint16 x, Sint16 y, Sint16 rad, Sint16 start, Sint16 end, Uint8 r, Uint8 g, Uint8 b, Uint8 a) -> SDL2_GFXPRIMITIVES_SCOPE int: Arc with blending.
auto aacircleColor(SDL_Renderer* renderer, Sint16 x, Sint16 y, Sint16 rad, Uint32 color) -> SDL2_GFXPRIMITIVES_SCOPE int: Draw anti-aliased circle with blending.
auto aacircleRGBA(SDL_Renderer* renderer, Sint16 x, Sint16 y, Sint16 rad, Uint8 r, Uint8 g, Uint8 b, Uint8 a) -> SDL2_GFXPRIMITIVES_SCOPE int: Draw anti-aliased circle with blending.
auto filledCircleColor(SDL_Renderer* renderer, Sint16 x, Sint16 y, Sint16 r, Uint32 color) -> SDL2_GFXPRIMITIVES_SCOPE int: Draw filled circle with blending.
auto filledCircleRGBA(SDL_Renderer* renderer, Sint16 x, Sint16 y, Sint16 rad, Uint8 r, Uint8 g, Uint8 b, Uint8 a) -> SDL2_GFXPRIMITIVES_SCOPE int: Draw filled circle with blending.
auto ellipseColor(SDL_Renderer* renderer, Sint16 x, Sint16 y, Sint16 rx, Sint16 ry, Uint32 color) -> SDL2_GFXPRIMITIVES_SCOPE int: Draw ellipse with blending.
auto ellipseRGBA(SDL_Renderer* renderer, Sint16 x, Sint16 y, Sint16 rx, Sint16 ry, Uint8 r, Uint8 g, Uint8 b, Uint8 a) -> SDL2_GFXPRIMITIVES_SCOPE int: Draw ellipse with blending.
auto aaellipseColor(SDL_Renderer* renderer, Sint16 x, Sint16 y, Sint16 rx, Sint16 ry, Uint32 color) -> SDL2_GFXPRIMITIVES_SCOPE int: Draw anti-aliased ellipse with blending.
auto aaellipseRGBA(SDL_Renderer* renderer, Sint16 x, Sint16 y, Sint16 rx, Sint16 ry, Uint8 r, Uint8 g, Uint8 b, Uint8 a) -> SDL2_GFXPRIMITIVES_SCOPE int: Draw anti-aliased ellipse with blending.
auto filledEllipseColor(SDL_Renderer* renderer, Sint16 x, Sint16 y, Sint16 rx, Sint16 ry, Uint32 color) -> SDL2_GFXPRIMITIVES_SCOPE int: Draw filled ellipse with blending.
auto filledEllipseRGBA(SDL_Renderer* renderer, Sint16 x, Sint16 y, Sint16 rx, Sint16 ry, Uint8 r, Uint8 g, Uint8 b, Uint8 a) -> SDL2_GFXPRIMITIVES_SCOPE int: Draw filled ellipse with blending.
auto pieColor(SDL_Renderer* renderer, Sint16 x, Sint16 y, Sint16 rad, Sint16 start, Sint16 end, Uint32 color) -> SDL2_GFXPRIMITIVES_SCOPE int: Draw pie (outline) with alpha blending.
auto pieRGBA(SDL_Renderer* renderer, Sint16 x, Sint16 y, Sint16 rad, Sint16 start, Sint16 end, Uint8 r, Uint8 g, Uint8 b, Uint8 a) -> SDL2_GFXPRIMITIVES_SCOPE int: Draw pie (outline) with alpha blending.
auto filledPieColor(SDL_Renderer* renderer, Sint16 x, Sint16 y, Sint16 rad, Sint16 start, Sint16 end, Uint32 color) -> SDL2_GFXPRIMITIVES_SCOPE int: Draw filled pie with alpha blending.
auto filledPieRGBA(SDL_Renderer* renderer, Sint16 x, Sint16 y, Sint16 rad, Sint16 start, Sint16 end, Uint8 r, Uint8 g, Uint8 b, Uint8 a) -> SDL2_GFXPRIMITIVES_SCOPE int: Draw filled pie with alpha blending.
auto trigonColor(SDL_Renderer* renderer, Sint16 x1, Sint16 y1, Sint16 x2, Sint16 y2, Sint16 x3, Sint16 y3, Uint32 color) -> SDL2_GFXPRIMITIVES_SCOPE int: Draw trigon (triangle outline) with alpha blending.
auto trigonRGBA(SDL_Renderer* renderer, Sint16 x1, Sint16 y1, Sint16 x2, Sint16 y2, Sint16 x3, Sint16 y3, Uint8 r, Uint8 g, Uint8 b, Uint8 a) -> SDL2_GFXPRIMITIVES_SCOPE int: Draw trigon (triangle outline) with alpha blending.
auto aatrigonColor(SDL_Renderer* renderer, Sint16 x1, Sint16 y1, Sint16 x2, Sint16 y2, Sint16 x3, Sint16 y3, Uint32 color) -> SDL2_GFXPRIMITIVES_SCOPE int: Draw anti-aliased trigon (triangle outline) with alpha blending.
auto aatrigonRGBA(SDL_Renderer* renderer, Sint16 x1, Sint16 y1, Sint16 x2, Sint16 y2, Sint16 x3, Sint16 y3, Uint8 r, Uint8 g, Uint8 b, Uint8 a) -> SDL2_GFXPRIMITIVES_SCOPE int: Draw anti-aliased trigon (triangle outline) with alpha blending.
auto filledTrigonColor(SDL_Renderer* renderer, Sint16 x1, Sint16 y1, Sint16 x2, Sint16 y2, Sint16 x3, Sint16 y3, Uint32 color) -> SDL2_GFXPRIMITIVES_SCOPE int: Draw filled trigon (triangle) with alpha blending.
auto filledTrigonRGBA(SDL_Renderer* renderer, Sint16 x1, Sint16 y1, Sint16 x2, Sint16 y2, Sint16 x3, Sint16 y3, Uint8 r, Uint8 g, Uint8 b, Uint8 a) -> SDL2_GFXPRIMITIVES_SCOPE int: Draw filled trigon (triangle) with alpha blending.
auto polygonColor(SDL_Renderer* renderer, const Sint16* vx, const Sint16* vy, int n, Uint32 color) -> SDL2_GFXPRIMITIVES_SCOPE int: Draw polygon with alpha blending.
auto polygonRGBA(SDL_Renderer* renderer, const Sint16* vx, const Sint16* vy, int n, Uint8 r, Uint8 g, Uint8 b, Uint8 a) -> SDL2_GFXPRIMITIVES_SCOPE int: Draw polygon with alpha blending.
auto aapolygonColor(SDL_Renderer* renderer, const Sint16* vx, const Sint16* vy, int n, Uint32 color) -> SDL2_GFXPRIMITIVES_SCOPE int: Draw anti-aliased polygon with alpha blending.
auto aapolygonRGBA(SDL_Renderer* renderer, const Sint16* vx, const Sint16* vy, int n, Uint8 r, Uint8 g, Uint8 b, Uint8 a) -> SDL2_GFXPRIMITIVES_SCOPE int: Draw anti-aliased polygon with alpha blending.
auto filledPolygonColor(SDL_Renderer* renderer, const Sint16* vx, const Sint16* vy, int n, Uint32 color) -> SDL2_GFXPRIMITIVES_SCOPE int: Draw filled polygon with alpha blending.
auto filledPolygonRGBA(SDL_Renderer* renderer, const Sint16* vx, const Sint16* vy, int n, Uint8 r, Uint8 g, Uint8 b, Uint8 a) -> SDL2_GFXPRIMITIVES_SCOPE int: Draw filled polygon with alpha blending.
auto texturedPolygon(SDL_Renderer* renderer, const Sint16* vx, const Sint16* vy, int n, SDL_Surface* texture, int texture_dx, int texture_dy) -> SDL2_GFXPRIMITIVES_SCOPE int: Draws a polygon filled with the given texture.
auto bezierColor(SDL_Renderer* renderer, const Sint16* vx, const Sint16* vy, int n, int s, Uint32 color) -> SDL2_GFXPRIMITIVES_SCOPE int: Draw a bezier curve with alpha blending.
auto bezierRGBA(SDL_Renderer* renderer, const Sint16* vx, const Sint16* vy, int n, int s, Uint8 r, Uint8 g, Uint8 b, Uint8 a) -> SDL2_GFXPRIMITIVES_SCOPE int: Draw a bezier curve with alpha blending.
auto gfxPrimitivesSetFont(const void* fontdata, Uint32 cw, Uint32 ch) -> SDL2_GFXPRIMITIVES_SCOPE void: Sets or resets the current global font data.
auto gfxPrimitivesSetFontRotation(Uint32 rotation) -> SDL2_GFXPRIMITIVES_SCOPE void: Sets current global font character rotation steps.
auto characterColor(SDL_Renderer* renderer, Sint16 x, Sint16 y, char c, Uint32 color) -> SDL2_GFXPRIMITIVES_SCOPE int: Draw a character of the currently set font.
auto characterRGBA(SDL_Renderer* renderer, Sint16 x, Sint16 y, char c, Uint8 r, Uint8 g, Uint8 b, Uint8 a) -> SDL2_GFXPRIMITIVES_SCOPE int: Draw a character of the currently set font.
auto stringColor(SDL_Renderer* renderer, Sint16 x, Sint16 y, const char* s, Uint32 color) -> SDL2_GFXPRIMITIVES_SCOPE int: Draw a string in the currently set font.
auto stringRGBA(SDL_Renderer* renderer, Sint16 x, Sint16 y, const char* s, Uint8 r, Uint8 g, Uint8 b, Uint8 a) -> SDL2_GFXPRIMITIVES_SCOPE int: Draw a string in the currently set font.

Defines

#define M_PI
#define SDL2_GFXPRIMITIVES_MAJOR
#define SDL2_GFXPRIMITIVES_MINOR
#define SDL2_GFXPRIMITIVES_MICRO
#define SDL2_GFXPRIMITIVES_SCOPE

Function documentation

SDL2_GFXPRIMITIVES_SCOPE int pixelColor(SDL_Renderer* renderer, Sint16 x, Sint16 y, Uint32 color)

Draw pixel with blending enabled if a<255.

Parameters
renderer	The renderer to draw on.
x	X (horizontal) coordinate of the pixel.
y	Y (vertical) coordinate of the pixel.
color	The color value of the pixel to draw (0xRRGGBBAA).
Returns	Returns 0 on success, -1 on failure.

SDL2_GFXPRIMITIVES_SCOPE int pixelRGBA(SDL_Renderer* renderer, Sint16 x, Sint16 y, Uint8 r, Uint8 g, Uint8 b, Uint8 a)

Draw pixel with blending enabled if a<255.

Parameters
renderer	The renderer to draw on.
x	X (horizontal) coordinate of the pixel.
y	Y (vertical) coordinate of the pixel.
r	The red color value of the pixel to draw.
g	The green color value of the pixel to draw.
b	The blue color value of the pixel to draw.
a	The alpha value of the pixel to draw.
Returns	Returns 0 on success, -1 on failure.

SDL2_GFXPRIMITIVES_SCOPE int hlineColor(SDL_Renderer* renderer, Sint16 x1, Sint16 x2, Sint16 y, Uint32 color)

Draw horizontal line with blending.

Parameters
renderer	The renderer to draw on.
x1	X coordinate of the first point (i.e. left) of the line.
x2	X coordinate of the second point (i.e. right) of the line.
y	Y coordinate of the points of the line.
color	The color value of the line to draw (0xRRGGBBAA).
Returns	Returns 0 on success, -1 on failure.

SDL2_GFXPRIMITIVES_SCOPE int hlineRGBA(SDL_Renderer* renderer, Sint16 x1, Sint16 x2, Sint16 y, Uint8 r, Uint8 g, Uint8 b, Uint8 a)

Draw horizontal line with blending.

Parameters
renderer	The renderer to draw on.
x1	X coordinate of the first point (i.e. left) of the line.
x2	X coordinate of the second point (i.e. right) of the line.
y	Y coordinate of the points of the line.
r	The red value of the line to draw.
g	The green value of the line to draw.
b	The blue value of the line to draw.
a	The alpha value of the line to draw.
Returns	Returns 0 on success, -1 on failure.

SDL2_GFXPRIMITIVES_SCOPE int vlineColor(SDL_Renderer* renderer, Sint16 x, Sint16 y1, Sint16 y2, Uint32 color)

Draw vertical line with blending.

Parameters
renderer	The renderer to draw on.
x	X coordinate of the points of the line.
y1	Y coordinate of the first point (i.e. top) of the line.
y2	Y coordinate of the second point (i.e. bottom) of the line.
color	The color value of the line to draw (0xRRGGBBAA).
Returns	Returns 0 on success, -1 on failure.

SDL2_GFXPRIMITIVES_SCOPE int vlineRGBA(SDL_Renderer* renderer, Sint16 x, Sint16 y1, Sint16 y2, Uint8 r, Uint8 g, Uint8 b, Uint8 a)

Draw vertical line with blending.

Parameters
renderer	The renderer to draw on.
x	X coordinate of the points of the line.
y1	Y coordinate of the first point (i.e. top) of the line.
y2	Y coordinate of the second point (i.e. bottom) of the line.
r	The red value of the line to draw.
g	The green value of the line to draw.
b	The blue value of the line to draw.
a	The alpha value of the line to draw.
Returns	Returns 0 on success, -1 on failure.

SDL2_GFXPRIMITIVES_SCOPE int rectangleColor(SDL_Renderer* renderer, Sint16 x1, Sint16 y1, Sint16 x2, Sint16 y2, Uint32 color)

Draw rectangle with blending.

Parameters
renderer	The renderer to draw on.
x1	X coordinate of the first point (i.e. top right) of the rectangle.
y1	Y coordinate of the first point (i.e. top right) of the rectangle.
x2	X coordinate of the second point (i.e. bottom left) of the rectangle.
y2	Y coordinate of the second point (i.e. bottom left) of the rectangle.
color	The color value of the rectangle to draw (0xRRGGBBAA).
Returns	Returns 0 on success, -1 on failure.

SDL2_GFXPRIMITIVES_SCOPE int rectangleRGBA(SDL_Renderer* renderer, Sint16 x1, Sint16 y1, Sint16 x2, Sint16 y2, Uint8 r, Uint8 g, Uint8 b, Uint8 a)

Draw rectangle with blending.

Parameters
renderer	The renderer to draw on.
x1	X coordinate of the first point (i.e. top right) of the rectangle.
y1	Y coordinate of the first point (i.e. top right) of the rectangle.
x2	X coordinate of the second point (i.e. bottom left) of the rectangle.
y2	Y coordinate of the second point (i.e. bottom left) of the rectangle.
r	The red value of the rectangle to draw.
g	The green value of the rectangle to draw.
b	The blue value of the rectangle to draw.
a	The alpha value of the rectangle to draw.
Returns	Returns 0 on success, -1 on failure.

SDL2_GFXPRIMITIVES_SCOPE int roundedRectangleColor(SDL_Renderer* renderer, Sint16 x1, Sint16 y1, Sint16 x2, Sint16 y2, Sint16 rad, Uint32 color)

Draw rounded-corner rectangle with blending.

Parameters
renderer	The renderer to draw on.
x1	X coordinate of the first point (i.e. top right) of the rectangle.
y1	Y coordinate of the first point (i.e. top right) of the rectangle.
x2	X coordinate of the second point (i.e. bottom left) of the rectangle.
y2	Y coordinate of the second point (i.e. bottom left) of the rectangle.
rad	The radius of the corner arc.
color	The color value of the rectangle to draw (0xRRGGBBAA).
Returns	Returns 0 on success, -1 on failure.

SDL2_GFXPRIMITIVES_SCOPE int roundedRectangleRGBA(SDL_Renderer* renderer, Sint16 x1, Sint16 y1, Sint16 x2, Sint16 y2, Sint16 rad, Uint8 r, Uint8 g, Uint8 b, Uint8 a)

Draw rounded-corner rectangle with blending.

Parameters
renderer	The renderer to draw on.
x1	X coordinate of the first point (i.e. top right) of the rectangle.
y1	Y coordinate of the first point (i.e. top right) of the rectangle.
x2	X coordinate of the second point (i.e. bottom left) of the rectangle.
y2	Y coordinate of the second point (i.e. bottom left) of the rectangle.
rad	The radius of the corner arc.
r	The red value of the rectangle to draw.
g	The green value of the rectangle to draw.
b	The blue value of the rectangle to draw.
a	The alpha value of the rectangle to draw.
Returns	Returns 0 on success, -1 on failure.

SDL2_GFXPRIMITIVES_SCOPE int boxColor(SDL_Renderer* renderer, Sint16 x1, Sint16 y1, Sint16 x2, Sint16 y2, Uint32 color)

Draw box (filled rectangle) with blending.

Parameters
renderer	The renderer to draw on.
x1	X coordinate of the first point (i.e. top right) of the box.
y1	Y coordinate of the first point (i.e. top right) of the box.
x2	X coordinate of the second point (i.e. bottom left) of the box.
y2	Y coordinate of the second point (i.e. bottom left) of the box.
color	The color value of the box to draw (0xRRGGBBAA).
Returns	Returns 0 on success, -1 on failure.

SDL2_GFXPRIMITIVES_SCOPE int boxRGBA(SDL_Renderer* renderer, Sint16 x1, Sint16 y1, Sint16 x2, Sint16 y2, Uint8 r, Uint8 g, Uint8 b, Uint8 a)

Draw box (filled rectangle) with blending.

Parameters
renderer	The renderer to draw on.
x1	X coordinate of the first point (i.e. top right) of the box.
y1	Y coordinate of the first point (i.e. top right) of the box.
x2	X coordinate of the second point (i.e. bottom left) of the box.
y2	Y coordinate of the second point (i.e. bottom left) of the box.
r	The red value of the box to draw.
g	The green value of the box to draw.
b	The blue value of the box to draw.
a	The alpha value of the box to draw.
Returns	Returns 0 on success, -1 on failure.

SDL2_GFXPRIMITIVES_SCOPE int roundedBoxColor(SDL_Renderer* renderer, Sint16 x1, Sint16 y1, Sint16 x2, Sint16 y2, Sint16 rad, Uint32 color)

Draw rounded-corner box (filled rectangle) with blending.

Parameters
renderer	The renderer to draw on.
x1	X coordinate of the first point (i.e. top right) of the box.
y1	Y coordinate of the first point (i.e. top right) of the box.
x2	X coordinate of the second point (i.e. bottom left) of the box.
y2	Y coordinate of the second point (i.e. bottom left) of the box.
rad	The radius of the corner arcs of the box.
color	The color value of the box to draw (0xRRGGBBAA).
Returns	Returns 0 on success, -1 on failure.

SDL2_GFXPRIMITIVES_SCOPE int roundedBoxRGBA(SDL_Renderer* renderer, Sint16 x1, Sint16 y1, Sint16 x2, Sint16 y2, Sint16 rad, Uint8 r, Uint8 g, Uint8 b, Uint8 a)

Draw rounded-corner box (filled rectangle) with blending.

Parameters
renderer	The renderer to draw on.
x1	X coordinate of the first point (i.e. top right) of the box.
y1	Y coordinate of the first point (i.e. top right) of the box.
x2	X coordinate of the second point (i.e. bottom left) of the box.
y2	Y coordinate of the second point (i.e. bottom left) of the box.
rad	The radius of the corner arcs of the box.
r	The red value of the box to draw.
g	The green value of the box to draw.
b	The blue value of the box to draw.
a	The alpha value of the box to draw.
Returns	Returns 0 on success, -1 on failure.

SDL2_GFXPRIMITIVES_SCOPE int lineColor(SDL_Renderer* renderer, Sint16 x1, Sint16 y1, Sint16 x2, Sint16 y2, Uint32 color)

Draw line with alpha blending.

Parameters
renderer	The renderer to draw on.
x1	X coordinate of the first point of the line.
y1	Y coordinate of the first point of the line.
x2	X coordinate of the second point of the line.
y2	Y coordinate of the seond point of the line.
color	The color value of the line to draw (0xRRGGBBAA).
Returns	Returns 0 on success, -1 on failure.

SDL2_GFXPRIMITIVES_SCOPE int lineRGBA(SDL_Renderer* renderer, Sint16 x1, Sint16 y1, Sint16 x2, Sint16 y2, Uint8 r, Uint8 g, Uint8 b, Uint8 a)

Draw line with alpha blending.

Parameters
renderer	The renderer to draw on.
x1	X coordinate of the first point of the line.
y1	Y coordinate of the first point of the line.
x2	X coordinate of the second point of the line.
y2	Y coordinate of the second point of the line.
r	The red value of the line to draw.
g	The green value of the line to draw.
b	The blue value of the line to draw.
a	The alpha value of the line to draw.
Returns	Returns 0 on success, -1 on failure.

SDL2_GFXPRIMITIVES_SCOPE int aalineColor(SDL_Renderer* renderer, Sint16 x1, Sint16 y1, Sint16 x2, Sint16 y2, Uint32 color)

Draw anti-aliased line with alpha blending.

Parameters
renderer	The renderer to draw on.
x1	X coordinate of the first point of the aa-line.
y1	Y coordinate of the first point of the aa-line.
x2	X coordinate of the second point of the aa-line.
y2	Y coordinate of the second point of the aa-line.
color	The color value of the aa-line to draw (0xRRGGBBAA).
Returns	Returns 0 on success, -1 on failure.

SDL2_GFXPRIMITIVES_SCOPE int aalineRGBA(SDL_Renderer* renderer, Sint16 x1, Sint16 y1, Sint16 x2, Sint16 y2, Uint8 r, Uint8 g, Uint8 b, Uint8 a)

Draw anti-aliased line with alpha blending.

Parameters
renderer	The renderer to draw on.
x1	X coordinate of the first point of the aa-line.
y1	Y coordinate of the first point of the aa-line.
x2	X coordinate of the second point of the aa-line.
y2	Y coordinate of the second point of the aa-line.
r	The red value of the aa-line to draw.
g	The green value of the aa-line to draw.
b	The blue value of the aa-line to draw.
a	The alpha value of the aa-line to draw.
Returns	Returns 0 on success, -1 on failure.

SDL2_GFXPRIMITIVES_SCOPE int thickLineColor(SDL_Renderer* renderer, Sint16 x1, Sint16 y1, Sint16 x2, Sint16 y2, Uint8 width, Uint32 color)

Draw a thick line with alpha blending.

Parameters
renderer	The renderer to draw on.
x1	X coordinate of the first point of the line.
y1	Y coordinate of the first point of the line.
x2	X coordinate of the second point of the line.
y2	Y coordinate of the second point of the line.
width	Width of the line in pixels. Must be >0.
color	The color value of the line to draw (0xRRGGBBAA).
Returns	Returns 0 on success, -1 on failure.

SDL2_GFXPRIMITIVES_SCOPE int thickLineRGBA(SDL_Renderer* renderer, Sint16 x1, Sint16 y1, Sint16 x2, Sint16 y2, Uint8 width, Uint8 r, Uint8 g, Uint8 b, Uint8 a)

Draw a thick line with alpha blending.

Parameters
renderer	The renderer to draw on.
x1	X coordinate of the first point of the line.
y1	Y coordinate of the first point of the line.
x2	X coordinate of the second point of the line.
y2	Y coordinate of the second point of the line.
width	Width of the line in pixels. Must be >0.
r	The red value of the character to draw.
g	The green value of the character to draw.
b	The blue value of the character to draw.
a	The alpha value of the character to draw.
Returns	Returns 0 on success, -1 on failure.

SDL2_GFXPRIMITIVES_SCOPE int circleColor(SDL_Renderer* renderer, Sint16 x, Sint16 y, Sint16 rad, Uint32 color)

Draw circle with blending.

Parameters
renderer	The renderer to draw on.
x	X coordinate of the center of the circle.
y	Y coordinate of the center of the circle.
rad	Radius in pixels of the circle.
color	The color value of the circle to draw (0xRRGGBBAA).
Returns	Returns 0 on success, -1 on failure.

SDL2_GFXPRIMITIVES_SCOPE int circleRGBA(SDL_Renderer* renderer, Sint16 x, Sint16 y, Sint16 rad, Uint8 r, Uint8 g, Uint8 b, Uint8 a)

Draw circle with blending.

Parameters
renderer	The renderer to draw on.
x	X coordinate of the center of the circle.
y	Y coordinate of the center of the circle.
rad	Radius in pixels of the circle.
r	The red value of the circle to draw.
g	The green value of the circle to draw.
b	The blue value of the circle to draw.
a	The alpha value of the circle to draw.
Returns	Returns 0 on success, -1 on failure.

SDL2_GFXPRIMITIVES_SCOPE int arcColor(SDL_Renderer* renderer, Sint16 x, Sint16 y, Sint16 rad, Sint16 start, Sint16 end, Uint32 color)

Arc with blending.

Parameters
renderer	The renderer to draw on.
x	X coordinate of the center of the arc.
y	Y coordinate of the center of the arc.
rad	Radius in pixels of the arc.
start	Starting radius in degrees of the arc. 0 degrees is down, increasing counterclockwise.
end	Ending radius in degrees of the arc. 0 degrees is down, increasing counterclockwise.
color	The color value of the arc to draw (0xRRGGBBAA).
Returns	Returns 0 on success, -1 on failure.

SDL2_GFXPRIMITIVES_SCOPE int arcRGBA(SDL_Renderer* renderer, Sint16 x, Sint16 y, Sint16 rad, Sint16 start, Sint16 end, Uint8 r, Uint8 g, Uint8 b, Uint8 a)

Arc with blending.

Parameters
renderer	The renderer to draw on.
x	X coordinate of the center of the arc.
y	Y coordinate of the center of the arc.
rad	Radius in pixels of the arc.
start	Starting radius in degrees of the arc. 0 degrees is down, increasing counterclockwise.
end	Ending radius in degrees of the arc. 0 degrees is down, increasing counterclockwise.
r	The red value of the arc to draw.
g	The green value of the arc to draw.
b	The blue value of the arc to draw.
a	The alpha value of the arc to draw.
Returns	Returns 0 on success, -1 on failure.

SDL2_GFXPRIMITIVES_SCOPE int aacircleColor(SDL_Renderer* renderer, Sint16 x, Sint16 y, Sint16 rad, Uint32 color)

Draw anti-aliased circle with blending.

Parameters
renderer	The renderer to draw on.
x	X coordinate of the center of the aa-circle.
y	Y coordinate of the center of the aa-circle.
rad	Radius in pixels of the aa-circle.
color	The color value of the aa-circle to draw (0xRRGGBBAA).
Returns	Returns 0 on success, -1 on failure.

SDL2_GFXPRIMITIVES_SCOPE int aacircleRGBA(SDL_Renderer* renderer, Sint16 x, Sint16 y, Sint16 rad, Uint8 r, Uint8 g, Uint8 b, Uint8 a)

Draw anti-aliased circle with blending.

Parameters
renderer	The renderer to draw on.
x	X coordinate of the center of the aa-circle.
y	Y coordinate of the center of the aa-circle.
rad	Radius in pixels of the aa-circle.
r	The red value of the aa-circle to draw.
g	The green value of the aa-circle to draw.
b	The blue value of the aa-circle to draw.
a	The alpha value of the aa-circle to draw.
Returns	Returns 0 on success, -1 on failure.

SDL2_GFXPRIMITIVES_SCOPE int filledCircleColor(SDL_Renderer* renderer, Sint16 x, Sint16 y, Sint16 r, Uint32 color)

Draw filled circle with blending.

Parameters
renderer	The renderer to draw on.
x	X coordinate of the center of the filled circle.
y	Y coordinate of the center of the filled circle.
r
color	The color value of the filled circle to draw (0xRRGGBBAA).
Returns	Returns 0 on success, -1 on failure.

SDL2_GFXPRIMITIVES_SCOPE int filledCircleRGBA(SDL_Renderer* renderer, Sint16 x, Sint16 y, Sint16 rad, Uint8 r, Uint8 g, Uint8 b, Uint8 a)

Draw filled circle with blending.

Parameters
renderer	The renderer to draw on.
x	X coordinate of the center of the filled circle.
y	Y coordinate of the center of the filled circle.
rad	Radius in pixels of the filled circle.
r	The red value of the filled circle to draw.
g	The green value of the filled circle to draw.
b	The blue value of the filled circle to draw.
a	The alpha value of the filled circle to draw.
Returns	Returns 0 on success, -1 on failure.

SDL2_GFXPRIMITIVES_SCOPE int ellipseColor(SDL_Renderer* renderer, Sint16 x, Sint16 y, Sint16 rx, Sint16 ry, Uint32 color)

Draw ellipse with blending.

Parameters
renderer	The renderer to draw on.
x	X coordinate of the center of the ellipse.
y	Y coordinate of the center of the ellipse.
rx	Horizontal radius in pixels of the ellipse.
ry	Vertical radius in pixels of the ellipse.
color	The color value of the ellipse to draw (0xRRGGBBAA).
Returns	Returns 0 on success, -1 on failure.

SDL2_GFXPRIMITIVES_SCOPE int ellipseRGBA(SDL_Renderer* renderer, Sint16 x, Sint16 y, Sint16 rx, Sint16 ry, Uint8 r, Uint8 g, Uint8 b, Uint8 a)

Draw ellipse with blending.

Parameters
renderer	The renderer to draw on.
x	X coordinate of the center of the ellipse.
y	Y coordinate of the center of the ellipse.
rx	Horizontal radius in pixels of the ellipse.
ry	Vertical radius in pixels of the ellipse.
r	The red value of the ellipse to draw.
g	The green value of the ellipse to draw.
b	The blue value of the ellipse to draw.
a	The alpha value of the ellipse to draw.
Returns	Returns 0 on success, -1 on failure.

SDL2_GFXPRIMITIVES_SCOPE int aaellipseColor(SDL_Renderer* renderer, Sint16 x, Sint16 y, Sint16 rx, Sint16 ry, Uint32 color)

Draw anti-aliased ellipse with blending.

Parameters
renderer	The renderer to draw on.
x	X coordinate of the center of the aa-ellipse.
y	Y coordinate of the center of the aa-ellipse.
rx	Horizontal radius in pixels of the aa-ellipse.
ry	Vertical radius in pixels of the aa-ellipse.
color	The color value of the aa-ellipse to draw (0xRRGGBBAA).
Returns	Returns 0 on success, -1 on failure.

SDL2_GFXPRIMITIVES_SCOPE int aaellipseRGBA(SDL_Renderer* renderer, Sint16 x, Sint16 y, Sint16 rx, Sint16 ry, Uint8 r, Uint8 g, Uint8 b, Uint8 a)

Draw anti-aliased ellipse with blending.

Parameters
renderer	The renderer to draw on.
x	X coordinate of the center of the aa-ellipse.
y	Y coordinate of the center of the aa-ellipse.
rx	Horizontal radius in pixels of the aa-ellipse.
ry	Vertical radius in pixels of the aa-ellipse.
r	The red value of the aa-ellipse to draw.
g	The green value of the aa-ellipse to draw.
b	The blue value of the aa-ellipse to draw.
a	The alpha value of the aa-ellipse to draw.
Returns	Returns 0 on success, -1 on failure.

SDL2_GFXPRIMITIVES_SCOPE int filledEllipseColor(SDL_Renderer* renderer, Sint16 x, Sint16 y, Sint16 rx, Sint16 ry, Uint32 color)

Draw filled ellipse with blending.

Parameters
renderer	The renderer to draw on.
x	X coordinate of the center of the filled ellipse.
y	Y coordinate of the center of the filled ellipse.
rx	Horizontal radius in pixels of the filled ellipse.
ry	Vertical radius in pixels of the filled ellipse.
color	The color value of the filled ellipse to draw (0xRRGGBBAA).
Returns	Returns 0 on success, -1 on failure.

SDL2_GFXPRIMITIVES_SCOPE int filledEllipseRGBA(SDL_Renderer* renderer, Sint16 x, Sint16 y, Sint16 rx, Sint16 ry, Uint8 r, Uint8 g, Uint8 b, Uint8 a)

Draw filled ellipse with blending.

Parameters
renderer	The renderer to draw on.
x	X coordinate of the center of the filled ellipse.
y	Y coordinate of the center of the filled ellipse.
rx	Horizontal radius in pixels of the filled ellipse.
ry	Vertical radius in pixels of the filled ellipse.
r	The red value of the filled ellipse to draw.
g	The green value of the filled ellipse to draw.
b	The blue value of the filled ellipse to draw.
a	The alpha value of the filled ellipse to draw.
Returns	Returns 0 on success, -1 on failure.

SDL2_GFXPRIMITIVES_SCOPE int pieColor(SDL_Renderer* renderer, Sint16 x, Sint16 y, Sint16 rad, Sint16 start, Sint16 end, Uint32 color)

Draw pie (outline) with alpha blending.

Parameters
renderer	The renderer to draw on.
x	X coordinate of the center of the pie.
y	Y coordinate of the center of the pie.
rad	Radius in pixels of the pie.
start	Starting radius in degrees of the pie.
end	Ending radius in degrees of the pie.
color	The color value of the pie to draw (0xRRGGBBAA).
Returns	Returns 0 on success, -1 on failure.

SDL2_GFXPRIMITIVES_SCOPE int pieRGBA(SDL_Renderer* renderer, Sint16 x, Sint16 y, Sint16 rad, Sint16 start, Sint16 end, Uint8 r, Uint8 g, Uint8 b, Uint8 a)

Draw pie (outline) with alpha blending.

Parameters
renderer	The renderer to draw on.
x	X coordinate of the center of the pie.
y	Y coordinate of the center of the pie.
rad	Radius in pixels of the pie.
start	Starting radius in degrees of the pie.
end	Ending radius in degrees of the pie.
r	The red value of the pie to draw.
g	The green value of the pie to draw.
b	The blue value of the pie to draw.
a	The alpha value of the pie to draw.
Returns	Returns 0 on success, -1 on failure.

SDL2_GFXPRIMITIVES_SCOPE int filledPieColor(SDL_Renderer* renderer, Sint16 x, Sint16 y, Sint16 rad, Sint16 start, Sint16 end, Uint32 color)

Draw filled pie with alpha blending.

Parameters
renderer	The renderer to draw on.
x	X coordinate of the center of the filled pie.
y	Y coordinate of the center of the filled pie.
rad	Radius in pixels of the filled pie.
start	Starting radius in degrees of the filled pie.
end	Ending radius in degrees of the filled pie.
color	The color value of the filled pie to draw (0xRRGGBBAA).
Returns	Returns 0 on success, -1 on failure.

SDL2_GFXPRIMITIVES_SCOPE int filledPieRGBA(SDL_Renderer* renderer, Sint16 x, Sint16 y, Sint16 rad, Sint16 start, Sint16 end, Uint8 r, Uint8 g, Uint8 b, Uint8 a)

Draw filled pie with alpha blending.

Parameters
renderer	The renderer to draw on.
x	X coordinate of the center of the filled pie.
y	Y coordinate of the center of the filled pie.
rad	Radius in pixels of the filled pie.
start	Starting radius in degrees of the filled pie.
end	Ending radius in degrees of the filled pie.
r	The red value of the filled pie to draw.
g	The green value of the filled pie to draw.
b	The blue value of the filled pie to draw.
a	The alpha value of the filled pie to draw.
Returns	Returns 0 on success, -1 on failure.

SDL2_GFXPRIMITIVES_SCOPE int trigonColor(SDL_Renderer* renderer, Sint16 x1, Sint16 y1, Sint16 x2, Sint16 y2, Sint16 x3, Sint16 y3, Uint32 color)

Draw trigon (triangle outline) with alpha blending.

Parameters
renderer	The renderer to draw on.
x1	X coordinate of the first point of the trigon.
y1	Y coordinate of the first point of the trigon.
x2	X coordinate of the second point of the trigon.
y2	Y coordinate of the second point of the trigon.
x3	X coordinate of the third point of the trigon.
y3	Y coordinate of the third point of the trigon.
color	The color value of the trigon to draw (0xRRGGBBAA).
Returns	Returns 0 on success, -1 on failure.

Note: Creates vertex array and uses polygon routine to render.

SDL2_GFXPRIMITIVES_SCOPE int trigonRGBA(SDL_Renderer* renderer, Sint16 x1, Sint16 y1, Sint16 x2, Sint16 y2, Sint16 x3, Sint16 y3, Uint8 r, Uint8 g, Uint8 b, Uint8 a)

Draw trigon (triangle outline) with alpha blending.

Parameters
renderer	The renderer to draw on.
x1	X coordinate of the first point of the trigon.
y1	Y coordinate of the first point of the trigon.
x2	X coordinate of the second point of the trigon.
y2	Y coordinate of the second point of the trigon.
x3	X coordinate of the third point of the trigon.
y3	Y coordinate of the third point of the trigon.
r	The red value of the trigon to draw.
g	The green value of the trigon to draw.
b	The blue value of the trigon to draw.
a	The alpha value of the trigon to draw.
Returns	Returns 0 on success, -1 on failure.

SDL2_GFXPRIMITIVES_SCOPE int aatrigonColor(SDL_Renderer* renderer, Sint16 x1, Sint16 y1, Sint16 x2, Sint16 y2, Sint16 x3, Sint16 y3, Uint32 color)

Draw anti-aliased trigon (triangle outline) with alpha blending.

Parameters
renderer	The renderer to draw on.
x1	X coordinate of the first point of the aa-trigon.
y1	Y coordinate of the first point of the aa-trigon.
x2	X coordinate of the second point of the aa-trigon.
y2	Y coordinate of the second point of the aa-trigon.
x3	X coordinate of the third point of the aa-trigon.
y3	Y coordinate of the third point of the aa-trigon.
color	The color value of the aa-trigon to draw (0xRRGGBBAA).
Returns	Returns 0 on success, -1 on failure.

Note: Creates vertex array and uses aapolygon routine to render.

SDL2_GFXPRIMITIVES_SCOPE int aatrigonRGBA(SDL_Renderer* renderer, Sint16 x1, Sint16 y1, Sint16 x2, Sint16 y2, Sint16 x3, Sint16 y3, Uint8 r, Uint8 g, Uint8 b, Uint8 a)

Draw anti-aliased trigon (triangle outline) with alpha blending.

Parameters
renderer	The renderer to draw on.
x1	X coordinate of the first point of the aa-trigon.
y1	Y coordinate of the first point of the aa-trigon.
x2	X coordinate of the second point of the aa-trigon.
y2	Y coordinate of the second point of the aa-trigon.
x3	X coordinate of the third point of the aa-trigon.
y3	Y coordinate of the third point of the aa-trigon.
r	The red value of the aa-trigon to draw.
g	The green value of the aa-trigon to draw.
b	The blue value of the aa-trigon to draw.
a	The alpha value of the aa-trigon to draw.
Returns	Returns 0 on success, -1 on failure.

SDL2_GFXPRIMITIVES_SCOPE int filledTrigonColor(SDL_Renderer* renderer, Sint16 x1, Sint16 y1, Sint16 x2, Sint16 y2, Sint16 x3, Sint16 y3, Uint32 color)

Draw filled trigon (triangle) with alpha blending.

Parameters
renderer	The renderer to draw on.
x1	X coordinate of the first point of the filled trigon.
y1	Y coordinate of the first point of the filled trigon.
x2	X coordinate of the second point of the filled trigon.
y2	Y coordinate of the second point of the filled trigon.
x3	X coordinate of the third point of the filled trigon.
y3	Y coordinate of the third point of the filled trigon.
color	The color value of the filled trigon to draw (0xRRGGBBAA).
Returns	Returns 0 on success, -1 on failure.

Note: Creates vertex array and uses aapolygon routine to render.

SDL2_GFXPRIMITIVES_SCOPE int filledTrigonRGBA(SDL_Renderer* renderer, Sint16 x1, Sint16 y1, Sint16 x2, Sint16 y2, Sint16 x3, Sint16 y3, Uint8 r, Uint8 g, Uint8 b, Uint8 a)

Draw filled trigon (triangle) with alpha blending.

Parameters
renderer	The renderer to draw on.
x1	X coordinate of the first point of the filled trigon.
y1	Y coordinate of the first point of the filled trigon.
x2	X coordinate of the second point of the filled trigon.
y2	Y coordinate of the second point of the filled trigon.
x3	X coordinate of the third point of the filled trigon.
y3	Y coordinate of the third point of the filled trigon.
r	The red value of the filled trigon to draw.
g	The green value of the filled trigon to draw.
b	The blue value of the filled trigon to draw.
a	The alpha value of the filled trigon to draw.
Returns	Returns 0 on success, -1 on failure.

Note: Creates vertex array and uses aapolygon routine to render.

SDL2_GFXPRIMITIVES_SCOPE int polygonColor(SDL_Renderer* renderer, const Sint16* vx, const Sint16* vy, int n, Uint32 color)

Draw polygon with alpha blending.

Parameters
renderer	The renderer to draw on.
vx	Vertex array containing X coordinates of the points of the polygon.
vy	Vertex array containing Y coordinates of the points of the polygon.
n	Number of points in the vertex array. Minimum number is 3.
color	The color value of the polygon to draw (0xRRGGBBAA).
Returns	Returns 0 on success, -1 on failure.

SDL2_GFXPRIMITIVES_SCOPE int polygonRGBA(SDL_Renderer* renderer, const Sint16* vx, const Sint16* vy, int n, Uint8 r, Uint8 g, Uint8 b, Uint8 a)

Draw polygon with alpha blending.

Parameters
renderer	The renderer to draw on.
vx	Vertex array containing X coordinates of the points of the polygon.
vy	Vertex array containing Y coordinates of the points of the polygon.
n	Number of points in the vertex array. Minimum number is 3.
r	The red value of the polygon to draw.
g	The green value of the polygon to draw.
b	The blue value of the polygon to draw.
a	The alpha value of the polygon to draw.
Returns	Returns 0 on success, -1 on failure.

SDL2_GFXPRIMITIVES_SCOPE int aapolygonColor(SDL_Renderer* renderer, const Sint16* vx, const Sint16* vy, int n, Uint32 color)

Draw anti-aliased polygon with alpha blending.

Parameters
renderer	The renderer to draw on.
vx	Vertex array containing X coordinates of the points of the aa-polygon.
vy	Vertex array containing Y coordinates of the points of the aa-polygon.
n	Number of points in the vertex array. Minimum number is 3.
color	The color value of the aa-polygon to draw (0xRRGGBBAA).
Returns	Returns 0 on success, -1 on failure.

SDL2_GFXPRIMITIVES_SCOPE int aapolygonRGBA(SDL_Renderer* renderer, const Sint16* vx, const Sint16* vy, int n, Uint8 r, Uint8 g, Uint8 b, Uint8 a)

Draw anti-aliased polygon with alpha blending.

Parameters
renderer	The renderer to draw on.
vx	Vertex array containing X coordinates of the points of the aa-polygon.
vy	Vertex array containing Y coordinates of the points of the aa-polygon.
n	Number of points in the vertex array. Minimum number is 3.
r	The red value of the aa-polygon to draw.
g	The green value of the aa-polygon to draw.
b	The blue value of the aa-polygon to draw.
a	The alpha value of the aa-polygon to draw.
Returns	Returns 0 on success, -1 on failure.

SDL2_GFXPRIMITIVES_SCOPE int filledPolygonColor(SDL_Renderer* renderer, const Sint16* vx, const Sint16* vy, int n, Uint32 color)

Draw filled polygon with alpha blending.

Parameters
renderer	The renderer to draw on.
vx	Vertex array containing X coordinates of the points of the filled polygon.
vy	Vertex array containing Y coordinates of the points of the filled polygon.
n	Number of points in the vertex array. Minimum number is 3.
color	The color value of the filled polygon to draw (0xRRGGBBAA).
Returns	Returns 0 on success, -1 on failure.

SDL2_GFXPRIMITIVES_SCOPE int filledPolygonRGBA(SDL_Renderer* renderer, const Sint16* vx, const Sint16* vy, int n, Uint8 r, Uint8 g, Uint8 b, Uint8 a)

Draw filled polygon with alpha blending.

Parameters
renderer	The renderer to draw on.
vx	Vertex array containing X coordinates of the points of the filled polygon.
vy	Vertex array containing Y coordinates of the points of the filled polygon.
n	Number of points in the vertex array. Minimum number is 3.
r	The red value of the filled polygon to draw.
g	The green value of the filled polygon to draw.
b	The blue value of the filed polygon to draw.
a	The alpha value of the filled polygon to draw.
Returns	Returns 0 on success, -1 on failure.

SDL2_GFXPRIMITIVES_SCOPE int texturedPolygon(SDL_Renderer* renderer, const Sint16* vx, const Sint16* vy, int n, SDL_Surface* texture, int texture_dx, int texture_dy)

Draws a polygon filled with the given texture.

Parameters
renderer	The renderer to draw on.
vx	array of x vector components
vy	array of x vector components
n	the amount of vectors in the vx and vy array
texture	the sdl surface to use to fill the polygon
texture_dx	the offset of the texture relative to the screeen. if you move the polygon 10 pixels to the left and want the texture to apear the same you need to increase the texture_dx value
texture_dy	see texture_dx
Returns	Returns 0 on success, -1 on failure.

This standard version is calling multithreaded versions with NULL cache parameters.

SDL2_GFXPRIMITIVES_SCOPE int bezierColor(SDL_Renderer* renderer, const Sint16* vx, const Sint16* vy, int n, int s, Uint32 color)

Draw a bezier curve with alpha blending.

Parameters
renderer	The renderer to draw on.
vx	Vertex array containing X coordinates of the points of the bezier curve.
vy	Vertex array containing Y coordinates of the points of the bezier curve.
n	Number of points in the vertex array. Minimum number is 3.
s	Number of steps for the interpolation. Minimum number is 2.
color	The color value of the bezier curve to draw (0xRRGGBBAA).
Returns	Returns 0 on success, -1 on failure.

SDL2_GFXPRIMITIVES_SCOPE int bezierRGBA(SDL_Renderer* renderer, const Sint16* vx, const Sint16* vy, int n, int s, Uint8 r, Uint8 g, Uint8 b, Uint8 a)

Draw a bezier curve with alpha blending.

Parameters
renderer	The renderer to draw on.
vx	Vertex array containing X coordinates of the points of the bezier curve.
vy	Vertex array containing Y coordinates of the points of the bezier curve.
n	Number of points in the vertex array. Minimum number is 3.
s	Number of steps for the interpolation. Minimum number is 2.
r	The red value of the bezier curve to draw.
g	The green value of the bezier curve to draw.
b	The blue value of the bezier curve to draw.
a	The alpha value of the bezier curve to draw.
Returns	Returns 0 on success, -1 on failure.

SDL2_GFXPRIMITIVES_SCOPE void gfxPrimitivesSetFont(const void* fontdata, Uint32 cw, Uint32 ch)

Sets or resets the current global font data.

Parameters
fontdata	Pointer to array of font data. Set to NULL, to reset global font to the default 8x8 font.
cw	Width of character in bytes. Ignored if fontdata==NULL.
ch	Height of character in bytes. Ignored if fontdata==NULL.

The font data array is organized in follows: [fontdata] = [character 0][character 1]...[character 255] where [character n] = [byte 1 row 1][byte 2 row 1]...[byte {pitch} row 1][byte 1 row 2] ...[byte {pitch} row height] where [byte n] = [bit 0]...[bit 7] where [bit n] = [0 for transparent pixel|1 for colored pixel]

SDL2_GFXPRIMITIVES_SCOPE void gfxPrimitivesSetFontRotation(Uint32 rotation)

Sets current global font character rotation steps.

Parameters
rotation	Number of 90deg clockwise steps to rotate

Default is 0 (no rotation). 1 = 90deg clockwise. 2 = 180deg clockwise. 3 = 270deg clockwise. Changing the rotation, will reset the character cache.

SDL2_GFXPRIMITIVES_SCOPE int characterColor(SDL_Renderer* renderer, Sint16 x, Sint16 y, char c, Uint32 color)

Draw a character of the currently set font.

Parameters
renderer	The renderer to draw on.
x	X (horizontal) coordinate of the upper left corner of the character.
y	Y (vertical) coordinate of the upper left corner of the character.
c	The character to draw.
color	The color value of the character to draw (0xRRGGBBAA).
Returns	Returns 0 on success, -1 on failure.

SDL2_GFXPRIMITIVES_SCOPE int characterRGBA(SDL_Renderer* renderer, Sint16 x, Sint16 y, char c, Uint8 r, Uint8 g, Uint8 b, Uint8 a)

Draw a character of the currently set font.

Parameters
renderer	The Renderer to draw on.
x	X (horizontal) coordinate of the upper left corner of the character.
y	Y (vertical) coordinate of the upper left corner of the character.
c	The character to draw.
r	The red value of the character to draw.
g	The green value of the character to draw.
b	The blue value of the character to draw.
a	The alpha value of the character to draw.
Returns	Returns 0 on success, -1 on failure.

SDL2_GFXPRIMITIVES_SCOPE int stringColor(SDL_Renderer* renderer, Sint16 x, Sint16 y, const char* s, Uint32 color)

Draw a string in the currently set font.

Parameters
renderer	The renderer to draw on.
x	X (horizontal) coordinate of the upper left corner of the string.
y	Y (vertical) coordinate of the upper left corner of the string.
s	The string to draw.
color	The color value of the string to draw (0xRRGGBBAA).
Returns	Returns 0 on success, -1 on failure.

The spacing between consequtive characters in the string is the fixed number of pixels of the character width of the current global font.

SDL2_GFXPRIMITIVES_SCOPE int stringRGBA(SDL_Renderer* renderer, Sint16 x, Sint16 y, const char* s, Uint8 r, Uint8 g, Uint8 b, Uint8 a)

Draw a string in the currently set font.

Parameters
renderer	The renderer to draw on.
x	X (horizontal) coordinate of the upper left corner of the string.
y	Y (vertical) coordinate of the upper left corner of the string.
s	The string to draw.
r	The red value of the string to draw.
g	The green value of the string to draw.
b	The blue value of the string to draw.
a	The alpha value of the string to draw.
Returns	Returns 0 on success, -1 on failure.