diff options
Diffstat (limited to '')
| -rw-r--r-- | sdl2/render.ha | 92 |
1 files changed, 64 insertions, 28 deletions
diff --git a/sdl2/render.ha b/sdl2/render.ha index 5bf1b09..649e786 100644 --- a/sdl2/render.ha +++ b/sdl2/render.ha @@ -15,6 +15,10 @@ export type renderer_flags = enum u32 { TARGETTEXTURE = 0x00000008, }; +@symbol("SDL_CreateWindowAndRenderer") fn _create_window_and_renderer( + width: int, height: int, window_flags: window_flags, + window: nullable **window, renderer: nullable **renderer) int; + // Create a window and default renderer. // // 'width' and 'height' set the width and height of the window, in screen @@ -22,11 +26,17 @@ export type renderer_flags = enum u32 { // // 'window' and 'renderer' are out parameters, or null, which are filled in with // the created window and renderer respectively. -// -// Returns 0 on success, or -1 on error. -export @symbol("SDL_CreateWindowAndRenderer") fn create_window_and_renderer( - width: int, height: int, window_flags: window_flags, - window: nullable **window, renderer: nullable **renderer) int; +export fn create_window_and_renderer( + width: int, + height: int, + window_flags: window_flags, + window: nullable **window, + renderer: nullable **renderer, +) (void | error) = wrapvoid(_create_window_and_renderer(width, height, + window_flags, window, renderer)); + +@symbol("SDL_CreateRenderer") fn _create_renderer(window: *window, + index: int, flags: renderer_flags) nullable *renderer; // Create a 2D rendering context for a window. // @@ -34,12 +44,14 @@ export @symbol("SDL_CreateWindowAndRenderer") fn create_window_and_renderer( // the rendering driver to initialize, or -1 to initialize the first one // supporting the requested flags. // -// Returns a valid rendering context, or NULL if there was an error. -// // See also: [[create_software_renderer]], [[get_renderer_info]], // [[destroy_renderer]]. -export @symbol("SDL_CreateRenderer") fn create_renderer(window: *window, - index: int, flags: renderer_flags) nullable *renderer; +export fn create_renderer( + window: *window, + index: int, + flags: renderer_flags, +) (*renderer | error) = + wrapptr(_create_renderer(window, index, flags))?: *renderer; // Destroy the rendering context for a window and free associated textures. // @@ -49,22 +61,27 @@ export @symbol("SDL_DestroyRenderer") fn destroy_renderer(renderer: *renderer) v // Opaque value for the alpha channel (255). export def ALPHA_OPAQUE: u8 = 255; +@symbol("SDL_SetRenderDrawColor") fn _set_render_draw_color(renderer: *renderer, + r: u8, g: u8, b: u8, a: u8) int; + // Set the color used for drawing operations (Rect, Line and Clear). // // 'renderer' is the renderer for which drawing color should be set. 'r', 'g', // 'b', and 'a' respectively set the red, gree, blue, and alpha channels. -// -// Returns 0 on success, or -1 on error -export @symbol("SDL_SetRenderDrawColor") fn set_render_draw_color(renderer: *renderer, - r: u8, g: u8, b: u8, a: u8) int; +export fn set_render_draw_color( + renderer: *renderer, + r: u8, g: u8, b: u8, a: u8, +) (void | error) = wrapvoid(_set_render_draw_color(renderer, r, g, b, a)); + +@symbol("SDL_RenderClear") fn _render_clear(renderer: *renderer) int; // Clear the current rendering target with the drawing color // // This function clears the entire rendering target, ignoring the viewport and // the clip rectangle. -// -// Returns 0 on success, or -1 on error -export @symbol("SDL_RenderClear") fn render_clear(renderer: *renderer) int; +export fn render_clear(renderer: *renderer) (void | error) = { + return wrapvoid(_render_clear(renderer)); +}; // Update the screen with rendering performed. export @symbol("SDL_RenderPresent") fn render_present(renderer: *renderer) void; @@ -72,13 +89,23 @@ export @symbol("SDL_RenderPresent") fn render_present(renderer: *renderer) void; // Destroy the specified texture. export @symbol("SDL_DestroyTexture") fn destroy_texture(texture: *texture) void; -// Query the attributes of a texture -// -// Returns 0 on success, or -1 if the texture is not valid. -export @symbol("SDL_QueryTexture") fn query_texture(texture: *texture, +@symbol("SDL_QueryTexture") fn _query_texture(texture: *texture, format: nullable *u32, access: nullable *int, w: nullable *int, h: nullable *int) int; +// Query the attributes of a texture +export fn query_texture( + texture: *texture, + format: nullable *u32, + access: nullable *int, + w: nullable *int, h: nullable *int, +) (void | error) = { + return wrapvoid(_query_texture(texture, format, access, w, h)); +}; + +@symbol("SDL_SetTextureColorMod") fn _set_texture_color_mod( + texture: *texture, r: u8, g: u8, b: u8) int; + // Set an additional color value multiplied into render copy operations. // // When this texture is rendered, during the copy operation each source color @@ -89,13 +116,22 @@ export @symbol("SDL_QueryTexture") fn query_texture(texture: *texture, // // Color modulation is not always supported by the renderer; it will return -1 // if color modulation is not supported. -// -// Returns 0 on success or a negative error code on failure. -export @symbol("SDL_SetTextureColorMod") fn set_texture_color_mod( - texture: *texture, r: u8, g: u8, b: u8) int; +export fn set_texture_color_mod( + texture: *texture, + r: u8, g: u8, b: u8, +) (void | error) = { + return wrapvoid(_set_texture_color_mod(texture, r, g, b)); +}; -// Copy a portion of the texture to the current rendering target. -// -// Returns 0 on success, or -1 on error -export @symbol("SDL_RenderCopy") fn render_copy(renderer: *renderer, +@symbol("SDL_RenderCopy") fn _render_copy(renderer: *renderer, texture: *texture, srcrect: nullable *rect, dstrect: nullable *rect) int; + +// Copy a portion of the texture to the current rendering target. +export fn render_copy( + renderer: *renderer, + texture: *texture, + srcrect: nullable *rect, + dstrect: nullable *rect, +) (void | error) = { + return wrapvoid(_render_copy(renderer, texture, srcrect, dstrect)); +}; |