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mirror of https://github.com/dpethes/rerogue.git synced 2025-06-07 18:58:32 +02:00
rerogue/model_viewer/sdl2/sdlrenderer.inc
2017-02-02 02:08:13 +01:00

754 lines
32 KiB
PHP

//from "sdl_renderer.h"
{**
* Flags used when creating a rendering context
*}
const
SDL_RENDERER_SOFTWARE = $00000001; {**< The renderer is a software fallback *}
SDL_RENDERER_ACCELERATED = $00000002; {**< The renderer uses hardware
acceleration *}
SDL_RENDERER_PRESENTVSYNC = $00000004; {**< Present is synchronized
with the refresh rate *}
SDL_RENDERER_TARGETTEXTURE = $00000008; {**< The renderer supports
rendering to texture *}
type
PSDL_RendererFlags = ^TSDL_RendererFlags;
TSDL_RendererFlags = Word;
{**
* Information on the capabilities of a render driver or context.
*}
PSDL_RendererInfo = ^TSDL_RendererInfo;
TSDL_RendererInfo = record
name: PAnsiChar; {**< The name of the renderer *}
flags: UInt32; {**< Supported ::SDL_RendererFlags *}
num_texture_formats: UInt32; {**< The number of available texture formats *}
texture_formats: array[0..15] of UInt32; {**< The available texture formats *}
max_texture_width: SInt32; {**< The maximimum texture width *}
max_texture_height: SInt32; {**< The maximimum texture height *}
end;
{**
* The access pattern allowed for a texture.
*}
type
PSDL_TextureAccess = ^TSDL_TextureAccess;
TSDL_TextureAccess = SInt32;
const
SDL_TEXTUREACCESS_STATIC = 0; {**< Changes rarely, not lockable *}
SDL_TEXTUREACCESS_STREAMING = 1; {**< Changes frequently, lockable *}
SDL_TEXTUREACCESS_TARGET = 2; {**< Texture can be used as a render target *}
type
{**
* The texture channel modulation used in SDL_RenderCopy().
*}
PSDL_TextureModulate = ^TSDL_TextureModulate;
TSDL_TextureModulate = (
SDL_TEXTUREMODULATE_NONE, {**< No modulation *}
SDL_TEXTUREMODULATE_COLOR, {**< srcC = srcC * color *}
SDL_TEXTUREMODULATE_ALPHA {**< srcA = srcA * alpha *}
);
{**
* Flip constants for SDL_RenderCopyEx
*}
type
PSDL_RendererFlip = ^TSDL_RendererFlip;
TSDL_RendererFlip = (SDL_FLIP_NONE, {**< Do not flip *}
SDL_FLIP_HORIZONTAL, {**< flip horizontally *}
SDL_FLIP_VERTICAL {**< flip vertically *}
);
{**
* A structure representing rendering state
*}
PPSDL_Renderer = ^PSDL_Renderer;
PSDL_Renderer = ^TSDL_Renderer;
TSDL_Renderer = record
end;
{**
* An efficient driver-specific representation of pixel data
*}
PSDL_Texture = ^TSDL_Texture;
TSDL_Texture = record
end;
{* Function prototypes *}
{**
* Get the number of 2D rendering drivers available for the current
* display.
*
* A render driver is a set of code that handles rendering and texture
* management on a particular display. Normally there is only one, but
* some drivers may have several available with different capabilities.
*
* SDL_GetRenderDriverInfo()
* SDL_CreateRenderer()
*}
function SDL_GetNumRenderDrivers: SInt32 cdecl; external SDL_LibName {$IFDEF DELPHI} {$IFDEF MACOS} name '_SDL_GetNumRenderDrivers' {$ENDIF} {$ENDIF};
{**
* Get information about a specific 2D rendering driver for the current
* display.
*
* index The index of the driver to query information about.
* info A pointer to an SDL_RendererInfo struct to be filled with
* information on the rendering driver.
*
* 0 on success, -1 if the index was out of range.
*
* SDL_CreateRenderer()
*}
function SDL_GetRenderDriverInfo(index: SInt32; info: PSDL_RendererInfo): SInt32 cdecl; external SDL_LibName {$IFDEF DELPHI} {$IFDEF MACOS} name '_SDL_GetRenderDriverInfo' {$ENDIF} {$ENDIF};
{**
* Create a window and default renderer
*
* width The width of the window
* height The height of the window
* window_flags The flags used to create the window
* window A pointer filled with the window, or NULL on error
* renderer A pointer filled with the renderer, or NULL on error
*
* 0 on success, or -1 on error
*}
function SDL_CreateWindowAndRenderer(width: SInt32; height: SInt32; window_flags: UInt32; window: PPSDL_Window; renderer: PPSDL_Renderer): SInt32 cdecl; external SDL_LibName {$IFDEF DELPHI} {$IFDEF MACOS} name '_SDL_CreateWindowAndRenderer' {$ENDIF} {$ENDIF};
{**
* Create a 2D rendering context for a window.
*
* window The window where rendering is displayed.
* index The index of the rendering driver to initialize, or -1 to
* initialize the first one supporting the requested flags.
* flags ::SDL_RendererFlags.
*
* A valid rendering context or NULL if there was an error.
*
* SDL_CreateSoftwareRenderer()
* SDL_GetRendererInfo()
* SDL_DestroyRenderer()
*}
function SDL_CreateRenderer(window: PSDL_Window; index: SInt32; flags: UInt32): PSDL_Renderer cdecl; external SDL_LibName {$IFDEF DELPHI} {$IFDEF MACOS} name '_SDL_CreateRenderer' {$ENDIF} {$ENDIF};
{**
* Create a 2D software rendering context for a surface.
*
* surface The surface where rendering is done.
*
* A valid rendering context or NULL if there was an error.
*
* SDL_CreateRenderer()
* SDL_DestroyRenderer()
*}
function SDL_CreateSoftwareRenderer(surface: PSDL_Surface): PSDL_Renderer cdecl; external SDL_LibName {$IFDEF DELPHI} {$IFDEF MACOS} name '_SDL_CreateSoftwareRenderer' {$ENDIF} {$ENDIF};
{**
* Get the renderer associated with a window.
*}
function SDL_GetRenderer(window: PSDL_Window): PSDL_Renderer cdecl; external SDL_LibName {$IFDEF DELPHI} {$IFDEF MACOS} name '_SDL_GetRenderer' {$ENDIF} {$ENDIF};
{**
* Get information about a rendering context.
*}
function SDL_GetRendererInfo(renderer: PSDL_Renderer; info: PSDL_RendererInfo): SInt32 cdecl; external SDL_LibName {$IFDEF DELPHI} {$IFDEF MACOS} name '_SDL_GetRendererInfo' {$ENDIF} {$ENDIF};
{**
* Get the output size of a rendering context.
*}
function SDL_GetRendererOutputSize(renderer: PSDL_Renderer; w: PInt; h: PInt): SInt32 cdecl; external SDL_LibName {$IFDEF DELPHI} {$IFDEF MACOS} name '_SDL_GetRendererOutputSize' {$ENDIF} {$ENDIF};
{**
* Create a texture for a rendering context.
*
* renderer The renderer.
* format The format of the texture.
* access One of the enumerated values in ::SDL_TextureAccess.
* w The width of the texture in pixels.
* h The height of the texture in pixels.
*
* The created texture is returned, or 0 if no rendering context was
* active, the format was unsupported, or the width or height were out
* of range.
*
* SDL_QueryTexture()
* SDL_UpdateTexture()
* SDL_DestroyTexture()
*}
function SDL_CreateTexture(renderer: PSDL_Renderer; format: UInt32; access: SInt32; w: SInt32; h: SInt32): PSDL_Texture cdecl; external SDL_LibName {$IFDEF DELPHI} {$IFDEF MACOS} name '_SDL_CreateTexture' {$ENDIF} {$ENDIF};
{**
* Create a texture from an existing surface.
*
* renderer The renderer.
* surface The surface containing pixel data used to fill the texture.
*
* The created texture is returned, or 0 on error.
*
* The surface is not modified or freed by this function.
*
* SDL_QueryTexture()
* SDL_DestroyTexture()
*}
function SDL_CreateTextureFromSurface(renderer: PSDL_Renderer; surface: PSDL_Surface): PSDL_Texture cdecl; external SDL_LibName {$IFDEF DELPHI} {$IFDEF MACOS} name '_SDL_CreateTextureFromSurface' {$ENDIF} {$ENDIF};
{**
* Query the attributes of a texture
*
* texture A texture to be queried.
* format A pointer filled in with the raw format of the texture. The
* actual format may differ, but pixel transfers will use this
* format.
* access A pointer filled in with the actual access to the texture.
* w A pointer filled in with the width of the texture in pixels.
* h A pointer filled in with the height of the texture in pixels.
*
* 0 on success, or -1 if the texture is not valid.
*}
function SDL_QueryTexture(texture: PSDL_Texture; format: PUInt32; access: PInt; w: PInt; h: PInt): SInt32 cdecl; external SDL_LibName {$IFDEF DELPHI} {$IFDEF MACOS} name '_SDL_QueryTexture' {$ENDIF} {$ENDIF};
{**
* Set an additional color value used in render copy operations.
*
* texture The texture to update.
* r The red color value multiplied into copy operations.
* g The green color value multiplied into copy operations.
* b The blue color value multiplied into copy operations.
*
* 0 on success, or -1 if the texture is not valid or color modulation
* is not supported.
*
* SDL_GetTextureColorMod()
*}
function SDL_SetTextureColorMod(texture: PSDL_Texture; r: UInt8; g: UInt8; b: UInt8): SInt32 cdecl; external SDL_LibName {$IFDEF DELPHI} {$IFDEF MACOS} name '_SDL_SetTextureColorMod' {$ENDIF} {$ENDIF};
{**
* Get the additional color value used in render copy operations.
*
* texture The texture to query.
* r A pointer filled in with the current red color value.
* g A pointer filled in with the current green color value.
* b A pointer filled in with the current blue color value.
*
* 0 on success, or -1 if the texture is not valid.
*
* SDL_SetTextureColorMod()
*}
function SDL_GetTextureColorMod(texture: PSDL_Texture; r: PUInt8; g: PUInt8; b: PUInt8): SInt32 cdecl; external SDL_LibName {$IFDEF DELPHI} {$IFDEF MACOS} name '_SDL_GetTextureColorMod' {$ENDIF} {$ENDIF};
{**
* Set an additional alpha value used in render copy operations.
*
* texture The texture to update.
* alpha The alpha value multiplied into copy operations.
*
* 0 on success, or -1 if the texture is not valid or alpha modulation
* is not supported.
*
* SDL_GetTextureAlphaMod()
*}
function SDL_SetTextureAlphaMod(texture: PSDL_Texture; alpha: UInt8): SInt32 cdecl; external SDL_LibName {$IFDEF DELPHI} {$IFDEF MACOS} name '_SDL_SetTextureAlphaMod' {$ENDIF} {$ENDIF};
{**
* Get the additional alpha value used in render copy operations.
*
* texture The texture to query.
* alpha A pointer filled in with the current alpha value.
*
* 0 on success, or -1 if the texture is not valid.
*
* SDL_SetTextureAlphaMod()
*}
function SDL_GetTextureAlphaMod(texture: PSDL_Texture; alpha: PUInt8): SInt32 cdecl; external SDL_LibName {$IFDEF DELPHI} {$IFDEF MACOS} name '_SDL_GetTextureAlphaMod' {$ENDIF} {$ENDIF};
{**
* Set the blend mode used for texture copy operations.
*
* texture The texture to update.
* blendMode ::SDL_BlendMode to use for texture blending.
*
* 0 on success, or -1 if the texture is not valid or the blend mode is
* not supported.
*
* If the blend mode is not supported, the closest supported mode is
* chosen.
*
* SDL_GetTextureBlendMode()
*}
function SDL_SetTextureBlendMode(texture: PSDL_Texture; blendMode: TSDL_BlendMode): SInt32 cdecl; external SDL_LibName {$IFDEF DELPHI} {$IFDEF MACOS} name '_SDL_SetTextureBlendMode' {$ENDIF} {$ENDIF};
{**
* Get the blend mode used for texture copy operations.
*
* texture The texture to query.
* blendMode A pointer filled in with the current blend mode.
*
* 0 on success, or -1 if the texture is not valid.
*
* SDL_SetTextureBlendMode()
*}
function SDL_GetTextureBlendMode(texture: PSDL_Texture; blendMode: PSDL_BlendMode): SInt32 cdecl; external SDL_LibName {$IFDEF DELPHI} {$IFDEF MACOS} name '_SDL_GetTextureBlendMode' {$ENDIF} {$ENDIF};
{**
* Update the given texture rectangle with new pixel data.
*
* texture The texture to update
* rect A pointer to the rectangle of pixels to update, or NULL to
* update the entire texture.
* pixels The raw pixel data.
* pitch The number of bytes between rows of pixel data.
*
* 0 on success, or -1 if the texture is not valid.
*
* This is a fairly slow function.
*}
function SDL_UpdateTexture(texture: PSDL_Texture; rect: PSDL_Rect; pixels: Pointer; pitch: SInt32): SInt32 cdecl; external SDL_LibName {$IFDEF DELPHI} {$IFDEF MACOS} name '_SDL_UpdateTexture' {$ENDIF} {$ENDIF};
{**
* Lock a portion of the texture for write-only pixel access.
*
* texture The texture to lock for access, which was created with
* SDL_TEXTUREACCESS_STREAMING.
* rect A pointer to the rectangle to lock for access. If the rect
* is NULL, the entire texture will be locked.
* pixels This is filled in with a pointer to the locked pixels,
* appropriately offset by the locked area.
* pitch This is filled in with the pitch of the locked pixels.
*
* 0 on success, or -1 if the texture is not valid or was not created with ::SDL_TEXTUREACCESS_STREAMING.
*
* SDL_UnlockTexture()
*}
function SDL_LockTexture(texture: PSDL_Texture; rect: PSDL_Rect; pixels: PPointer; pitch: PInt): SInt32 cdecl; external SDL_LibName {$IFDEF DELPHI} {$IFDEF MACOS} name '_SDL_LockTexture' {$ENDIF} {$ENDIF};
{**
* Unlock a texture, uploading the changes to video memory, if needed.
*
* SDL_LockTexture()
*}
procedure SDL_UnlockTexture(texture: PSDL_Texture) cdecl; external SDL_LibName {$IFDEF DELPHI} {$IFDEF MACOS} name '_SDL_LockTexture' {$ENDIF} {$ENDIF};
{**
* Determines whether a window supports the use of render targets
*
* renderer The renderer that will be checked
*
* SDL_TRUE if supported, SDL_FALSE if not.
*}
function SDL_RenderTargetSupported(renderer: PSDL_Renderer): Boolean cdecl; external SDL_LibName {$IFDEF DELPHI} {$IFDEF MACOS} name '_SDL_RenderTargetSupported' {$ENDIF} {$ENDIF};
{**
* Set a texture as the current rendering target.
*
* renderer The renderer.
* texture The targeted texture, which must be created with the SDL_TEXTUREACCESS_TARGET flag, or NULL for the default render target
*
* 0 on success, or -1 on error
*
* SDL_GetRenderTarget()
*}
function SDL_SetRenderTarget(renderer: PSDL_Renderer; texture: PSDL_Texture): SInt32 cdecl; external SDL_LibName {$IFDEF DELPHI} {$IFDEF MACOS} name '_SDL_SetRenderTarget' {$ENDIF} {$ENDIF};
{**
* Get the current render target or NULL for the default render target.
*
* The current render target
*
* SDL_SetRenderTarget()
*}
function SDL_GetRenderTarget(renderer: PSDL_Renderer): PSDL_Texture cdecl; external SDL_LibName {$IFDEF DELPHI} {$IFDEF MACOS} name '_SDL_GetRenderTarget' {$ENDIF} {$ENDIF};
{**
* Set device independent resolution for rendering
*
* renderer The renderer for which resolution should be set.
* w The width of the logical resolution
* h The height of the logical resolution
*
* This function uses the viewport and scaling functionality to allow a fixed logical
* resolution for rendering, regardless of the actual output resolution. If the actual
* output resolution doesn't have the same aspect ratio the output rendering will be
* centered within the output display.
*
* If the output display is a window, mouse events in the window will be filtered
* and scaled so they seem to arrive within the logical resolution.
*
* If this function results in scaling or subpixel drawing by the
* rendering backend, it will be handled using the appropriate
* quality hints.
*
* SDL_RenderGetLogicalSize()
* SDL_RenderSetScale()
* SDL_RenderSetViewport()
*}
function SDL_RenderSetLogicalSize(renderer: PSDL_Renderer; w: SInt32; h: SInt32): SInt32 cdecl; external SDL_LibName {$IFDEF DELPHI} {$IFDEF MACOS} name '_SDL_RenderSetLogicalSize' {$ENDIF} {$ENDIF};
{**
* Get device independent resolution for rendering
*
* renderer The renderer from which resolution should be queried.
* w A pointer filled with the width of the logical resolution
* h A pointer filled with the height of the logical resolution
*
* SDL_RenderSetLogicalSize()
*}
procedure SDL_RenderGetLogicalSize(renderer: PSDL_Renderer; w: PInt; h: PInt) cdecl; external SDL_LibName {$IFDEF DELPHI} {$IFDEF MACOS} name '_SDL_RenderGetLogicalSize' {$ENDIF} {$ENDIF};
{**
* Set the drawing area for rendering on the current target.
*
* renderer The renderer for which the drawing area should be set.
* rect The rectangle representing the drawing area, or NULL to set the viewport to the entire target.
*
* The x,y of the viewport rect represents the origin for rendering.
*
* 0 on success, or -1 on error
*
* If the window associated with the renderer is resized, the viewport is automatically reset.
*
* SDL_RenderGetViewport()
* SDL_RenderSetLogicalSize()
*}
function SDL_RenderSetViewport(renderer: PSDL_Renderer; const rect: PSDL_Rect): SInt32 cdecl; external SDL_LibName {$IFDEF DELPHI} {$IFDEF MACOS} name '_SDL_RenderSetViewport' {$ENDIF} {$ENDIF};
{**
* Get the drawing area for the current target.
*
* SDL_RenderSetViewport()
*}
procedure SDL_RenderGetViewport(renderer: PSDL_Renderer; rect: PSDL_Rect) cdecl; external SDL_LibName {$IFDEF DELPHI} {$IFDEF MACOS} name '_SDL_RenderGetViewport' {$ENDIF} {$ENDIF};
{**
* Set the clip rectangle for the current target.
*
* renderer The renderer for which clip rectangle should be set.
* rect A pointer to the rectangle to set as the clip rectangle, or
* NULL to disable clipping.
*
* 0 on success, or -1 on error
*
* SDL_RenderGetClipRect()
*}
function SDL_RenderSetClipRect(renderer: PSDL_Renderer; rect: PSDL_Rect): SInt32 cdecl; external SDL_LibName {$IFDEF DELPHI} {$IFDEF MACOS} name '_SDL_RenderSetClipRect' {$ENDIF} {$ENDIF};
{**
* Get the clip rectangle for the current target.
*
* renderer The renderer from which clip rectangle should be queried.
* rect A pointer filled in with the current clip rectangle, or
* an empty rectangle if clipping is disabled.
*
* SDL_RenderSetClipRect()
*}
procedure SDL_RenderGetClipRect(renderer: PSDL_Renderer; rect: PSDL_Rect) cdecl; external SDL_LibName {$IFDEF DELPHI} {$IFDEF MACOS} name '_SDL_RenderGetClipRect' {$ENDIF} {$ENDIF};
{**
* \brief Get whether clipping is enabled on the given renderer.
*
* \param renderer The renderer from which clip state should be queried.
*
* \sa SDL_RenderGetClipRect()
*}
function SDL_RenderIsClipEnabled(renderer: PSDL_Renderer): TSDL_Bool; cdecl;
external SDL_LibName {$IFDEF DELPHI} {$IFDEF MACOS} name '_SDL_RenderIsClipEnabled' {$ENDIF} {$ENDIF};
{**
* Set the drawing scale for rendering on the current target.
*
* renderer The renderer for which the drawing scale should be set.
* scaleX The horizontal scaling factor
* scaleY The vertical scaling factor
*
* The drawing coordinates are scaled by the x/y scaling factors
* before they are used by the renderer. This allows resolution
* independent drawing with a single coordinate system.
*
* If this results in scaling or subpixel drawing by the
* rendering backend, it will be handled using the appropriate
* quality hints. For best results use integer scaling factors.
*
* SDL_RenderGetScale()
* SDL_RenderSetLogicalSize()
*}
function SDL_RenderSetScale(renderer: PSDL_Renderer; scaleX: Float; scaleY: Float): SInt32 cdecl; external SDL_LibName {$IFDEF DELPHI} {$IFDEF MACOS} name '_SDL_RenderSetScale' {$ENDIF} {$ENDIF};
{**
* Get the drawing scale for the current target.
*
* renderer The renderer from which drawing scale should be queried.
* scaleX A pointer filled in with the horizontal scaling factor
* scaleY A pointer filled in with the vertical scaling factor
*
* SDL_RenderSetScale()
*}
procedure SDL_RenderGetScale(renderer: PSDL_Renderer; scaleX: PFloat; scaleY: PFloat) cdecl; external SDL_LibName {$IFDEF DELPHI} {$IFDEF MACOS} name '_SDL_RenderGetScale' {$ENDIF} {$ENDIF};
{**
* Set the color used for drawing operations (Rect, Line and Clear).
*
* renderer The renderer for which drawing color should be set.
* r The red value used to draw on the rendering target.
* g The green value used to draw on the rendering target.
* b The blue value used to draw on the rendering target.
* a The alpha value used to draw on the rendering target, usually
* SDL_ALPHA_OPAQUE (255).
*
* 0 on success, or -1 on error
*}
function SDL_SetRenderDrawColor(renderer: PSDL_Renderer; r: UInt8; g: UInt8; b: UInt8; a: UInt8): SInt32 cdecl; external SDL_LibName {$IFDEF DELPHI} {$IFDEF MACOS} name '_SDL_SetRenderDrawColor' {$ENDIF} {$ENDIF};
{**
* Get the color used for drawing operations (Rect, Line and Clear).
*
* renderer The renderer from which drawing color should be queried.
* r A pointer to the red value used to draw on the rendering target.
* g A pointer to the green value used to draw on the rendering target.
* b A pointer to the blue value used to draw on the rendering target.
* a A pointer to the alpha value used to draw on the rendering target,
* usually SDL_ALPHA_OPAQUE (255).
*
* 0 on success, or -1 on error
*}
function SDL_GetRenderDrawColor(renderer: PSDL_Renderer; r: PUInt8; g: PUInt8; b: PUInt8; a: PUInt8): SInt32 cdecl; external SDL_LibName {$IFDEF DELPHI} {$IFDEF MACOS} name '_SDL_GetRenderDrawColor' {$ENDIF} {$ENDIF};
{**
* Set the blend mode used for drawing operations (Fill and Line).
*
* renderer The renderer for which blend mode should be set.
* blendMode SDL_BlendMode to use for blending.
*
* 0 on success, or -1 on error
*
* If the blend mode is not supported, the closest supported mode is
* chosen.
*
* SDL_GetRenderDrawBlendMode()
*}
function SDL_SetRenderDrawBlendMode(renderer: PSDL_Renderer; blendMode: TSDL_BlendMode): SInt32 cdecl; external SDL_LibName {$IFDEF DELPHI} {$IFDEF MACOS} name '_SDL_SetRenderDrawBlendMode' {$ENDIF} {$ENDIF};
{**
* Get the blend mode used for drawing operations.
*
* renderer The renderer from which blend mode should be queried.
* blendMode A pointer filled in with the current blend mode.
*
* 0 on success, or -1 on error
*
* SDL_SetRenderDrawBlendMode()
*}
function SDL_GetRenderDrawBlendMode(renderer: PSDL_Renderer; blendMode: PSDL_BlendMode): SInt32 cdecl; external SDL_LibName {$IFDEF DELPHI} {$IFDEF MACOS} name '_SDL_GetRenderDrawBlendMode' {$ENDIF} {$ENDIF};
{**
* Clear the current rendering target with the drawing color
*
* This function clears the entire rendering target, ignoring the viewport.
*
* 0 on success, or -1 on error
*}
function SDL_RenderClear(renderer: PSDL_Renderer): SInt32 cdecl; external SDL_LibName {$IFDEF DELPHI} {$IFDEF MACOS} name '_SDL_RenderClear' {$ENDIF} {$ENDIF};
{**
* Draw a point on the current rendering target.
*
* renderer The renderer which should draw a point.
* x The x coordinate of the point.
* y The y coordinate of the point.
*
* 0 on success, or -1 on error
*}
function SDL_RenderDrawPoint(renderer: PSDL_Renderer; x: SInt32; y: SInt32): SInt32 cdecl; external SDL_LibName {$IFDEF DELPHI} {$IFDEF MACOS} name '_SDL_RenderDrawPoint' {$ENDIF} {$ENDIF};
{**
* Draw multiple points on the current rendering target.
*
* renderer The renderer which should draw multiple points.
* points The points to draw
* count The number of points to draw
*
* 0 on success, or -1 on error
*}
function SDL_RenderDrawPoints(renderer: PSDL_Renderer; points: PSDL_Point; count: SInt32): SInt32 cdecl; external SDL_LibName {$IFDEF DELPHI} {$IFDEF MACOS} name '_SDL_RenderDrawPoints' {$ENDIF} {$ENDIF};
{**
* Draw a line on the current rendering target.
*
* renderer The renderer which should draw a line.
* x1 The x coordinate of the start point.
* y1 The y coordinate of the start point.
* x2 The x coordinate of the end point.
* y2 The y coordinate of the end point.
*
* 0 on success, or -1 on error
*}
function SDL_RenderDrawLine(renderer: PSDL_Renderer; x1: SInt32; y1: SInt32; x2: SInt32; y2: SInt32): SInt32 cdecl; external SDL_LibName {$IFDEF DELPHI} {$IFDEF MACOS} name '_SDL_RenderDrawLine' {$ENDIF} {$ENDIF};
{**
* \brief Draw a series of connected lines on the current rendering target.
*
* \param renderer The renderer which should draw multiple lines.
* \param points The points along the lines
* \param count The number of points, drawing count-1 lines
*
* \return 0 on success, or -1 on error
*}
function SDL_RenderDrawLines(renderer: PSDL_Renderer; points: PSDL_Point; count: SInt32): SInt32 cdecl; external SDL_LibName {$IFDEF DELPHI} {$IFDEF MACOS} name '_SDL_RenderDrawLines' {$ENDIF} {$ENDIF};
{**
* Draw a rectangle on the current rendering target.
*
* renderer The renderer which should draw a rectangle.
* rect A pointer to the destination rectangle, or NULL to outline the entire rendering target.
*
* 0 on success, or -1 on error
*}
function SDL_RenderDrawRect(renderer: PSDL_Renderer; rect: PSDL_Rect): SInt32 cdecl; external SDL_LibName {$IFDEF DELPHI} {$IFDEF MACOS} name '_SDL_RenderDrawRect' {$ENDIF} {$ENDIF};
{**
* Draw some number of rectangles on the current rendering target.
*
* renderer The renderer which should draw multiple rectangles.
* rects A pointer to an array of destination rectangles.
* count The number of rectangles.
*
* 0 on success, or -1 on error
*}
function SDL_RenderDrawRects(renderer: PSDL_Renderer; rects: PSDL_Rect; count: SInt32): SInt32 cdecl; external SDL_LibName {$IFDEF DELPHI} {$IFDEF MACOS} name '_SDL_RenderDrawRects' {$ENDIF} {$ENDIF};
{**
* Fill a rectangle on the current rendering target with the drawing color.
*
* renderer The renderer which should fill a rectangle.
* rect A pointer to the destination rectangle, or NULL for the entire
* rendering target.
*
* 0 on success, or -1 on error
*}
function SDL_RenderFillRect(renderer: PSDL_Renderer; rect: PSDL_Rect): SInt32 cdecl; external SDL_LibName {$IFDEF DELPHI} {$IFDEF MACOS} name '_SDL_RenderFillRect' {$ENDIF} {$ENDIF};
{**
* Fill some number of rectangles on the current rendering target with the drawing color.
*
* renderer The renderer which should fill multiple rectangles.
* rects A pointer to an array of destination rectangles.
* count The number of rectangles.
*
* 0 on success, or -1 on error
*}
function SDL_RenderFillRects(renderer: PSDL_Renderer; rects: PSDL_Rect; count: SInt32): SInt32 cdecl; external SDL_LibName {$IFDEF DELPHI} {$IFDEF MACOS} name '_SDL_RenderFillRects' {$ENDIF} {$ENDIF};
{**
* Copy a portion of the texture to the current rendering target.
*
* renderer The renderer which should copy parts of a texture.
* texture The source texture.
* srcrect A pointer to the source rectangle, or NULL for the entire
* texture.
* dstrect A pointer to the destination rectangle, or NULL for the
* entire rendering target.
*
* 0 on success, or -1 on error
*}
function SDL_RenderCopy(renderer: PSDL_Renderer; texture: PSDL_Texture; srcrect: PSDL_Rect; dstrect: PSDL_Rect): SInt32 cdecl; external SDL_LibName {$IFDEF DELPHI} {$IFDEF MACOS} name '_SDL_RenderCopy' {$ENDIF} {$ENDIF};
{**
* Copy a portion of the source texture to the current rendering target, rotating it by angle around the given center
*
* renderer The renderer which should copy parts of a texture.
* texture The source texture.
* srcrect A pointer to the source rectangle, or NULL for the entire
* texture.
* dstrect A pointer to the destination rectangle, or NULL for the
* entire rendering target.
* angle An angle in degrees that indicates the rotation that will be applied to dstrect
* center A pointer to a point indicating the point around which dstrect will be rotated (if NULL, rotation will be done aroud dstrect.w/2, dstrect.h/2)
* flip An SDL_RendererFlip value stating which flipping actions should be performed on the texture
*
* 0 on success, or -1 on error
*}
function SDL_RenderCopyEx(renderer: PSDL_Renderer; texture: PSDL_Texture; const srcrect: PSDL_Rect; dstrect: PSDL_Rect; angle: Double; center: PSDL_Point; flip: TSDL_RendererFlip): SInt32 cdecl; external SDL_LibName {$IFDEF DELPHI} {$IFDEF MACOS} name '_SDL_RenderCopyEx' {$ENDIF} {$ENDIF};
{**
* Read pixels from the current rendering target.
*
* renderer The renderer from which pixels should be read.
* rect A pointer to the rectangle to read, or NULL for the entire
* render target.
* format The desired format of the pixel data, or 0 to use the format
* of the rendering target
* pixels A pointer to be filled in with the pixel data
* pitch The pitch of the pixels parameter.
*
* 0 on success, or -1 if pixel reading is not supported.
*
* This is a very slow operation, and should not be used frequently.
*}
function SDL_RenderReadPixels(renderer: PSDL_Renderer; rect: PSDL_Rect; format: UInt32; pixels: Pointer; pitch: SInt32): SInt32 cdecl; external SDL_LibName {$IFDEF DELPHI} {$IFDEF MACOS} name '_SDL_RenderReadPixels' {$ENDIF} {$ENDIF};
{**
* Update the screen with rendering performed.
*}
procedure SDL_RenderPresent(renderer: PSDL_Renderer) cdecl; external SDL_LibName {$IFDEF DELPHI} {$IFDEF MACOS} name '_SDL_RenderPresent' {$ENDIF} {$ENDIF};
{**
* Destroy the specified texture.
*
* SDL_CreateTexture()
* SDL_CreateTextureFromSurface()
*}
procedure SDL_DestroyTexture(texture: PSDL_Texture) cdecl; external SDL_LibName {$IFDEF DELPHI} {$IFDEF MACOS} name '_SDL_DestroyTexture' {$ENDIF} {$ENDIF};
{**
* Destroy the rendering context for a window and free associated
* textures.
*
* SDL_CreateRenderer()
*}
procedure SDL_DestroyRenderer(renderer: PSDL_Renderer) cdecl; external SDL_LibName {$IFDEF DELPHI} {$IFDEF MACOS} name '_SDL_DestroyRenderer' {$ENDIF} {$ENDIF};
{**
* Bind the texture to the current OpenGL/ES/ES2 context for use with
* OpenGL instructions.
*
* texture The SDL texture to bind
* texw A pointer to a float that will be filled with the texture width
* texh A pointer to a float that will be filled with the texture height
*
* 0 on success, or -1 if the operation is not supported
*}
function SDL_GL_BindTexture(texture: PSDL_Texture; texw: PFloat; texh: PFloat): SInt32 cdecl; external SDL_LibName {$IFDEF DELPHI} {$IFDEF MACOS} name '_SDL_GL_BindTexture' {$ENDIF} {$ENDIF};
{**
* Unbind a texture from the current OpenGL/ES/ES2 context.
*
* texture The SDL texture to unbind
*
* 0 on success, or -1 if the operation is not supported
*}
function SDL_GL_UnbindTexture(texture: PSDL_Texture): SInt32 cdecl; external SDL_LibName {$IFDEF DELPHI} {$IFDEF MACOS} name '_SDL_GL_UnbindTexture' {$ENDIF} {$ENDIF};
{**
* Update a rectangle within a planar YV12 or IYUV texture with new pixel data.
*
* texture The texture to update
* rect A pointer to the rectangle of pixels to update, or NULL to update the entire texture.
* Yplane The raw pixel data for the Y plane.
* Ypitch The number of bytes between rows of pixel data for the Y plane.
* Uplane The raw pixel data for the U plane.
* Upitch The number of bytes between rows of pixel data for the U plane.
* Vplane The raw pixel data for the V plane.
* Vpitch The number of bytes between rows of pixel data for the V plane.
*
* 0 on success, or -1 if the texture is not valid.
*
* You can use SDL_UpdateTexture() as long as your pixel data is
* a contiguous block of Y and U/V planes in the proper order, but
* this function is available if your pixel data is not contiguous.
*}
function SDL_UpdateYUVTexture(texture: PSDL_Texture; rect: PSDL_Rect; Yplane: PUInt8; Ypitch: SInt32; Uplane: PUInt8; UPitch: SInt32; Vplane: UInt8; VPitch: SInt32):SInt32;
cdecl; external SDL_LibName {$IFDEF DELPHI} {$IFDEF MACOS} name '_SDL_UpdateYUVTexture' {$ENDIF} {$ENDIF};