diff options
| -rw-r--r-- | .vscode/launch.json | 2 | ||||
| -rw-r--r-- | API.md | 316 | ||||
| -rw-r--r-- | CMakeLists.txt | 2 | ||||
| -rw-r--r-- | README.md | 1 | ||||
| -rw-r--r-- | examples/image_draw/main.lua | 13 | ||||
| -rw-r--r-- | include/textures.h | 38 | ||||
| -rw-r--r-- | src/lua_core.c | 38 | ||||
| -rw-r--r-- | src/textures.c | 1129 |
8 files changed, 1417 insertions, 122 deletions
diff --git a/.vscode/launch.json b/.vscode/launch.json index 6927ffe..fd73ad6 100644 --- a/.vscode/launch.json +++ b/.vscode/launch.json @@ -9,7 +9,7 @@ "type": "cppdbg", "request": "launch", "program": "${workspaceFolder}/build/ReiLua", - "args": ["/examples/heightmap/"], + "args": ["/examples/image_draw/"], "stopAtEntry": false, "cwd": "${workspaceFolder}", "environment": [], @@ -2250,6 +2250,271 @@ Generate image: cellular algorithm. Bigger tileSize means bigger cells --- +## Textures - Image Manipulation Functions + +--- + +> image = RL_ImageCopy( Image image ) + +Create an image duplicate ( useful for transformations ) + +- Failure return -1 +- Success return int + +--- + +> image = RL_ImageFromImage( Image image, Rectangle rec ) + +Create an image from another image piece + +- Failure return -1 +- Success return int + +--- + +> image = RL_ImageText( Font font, string text, float fontSize, float spacing, Color tint ) + +Create an image from text ( custom sprite font ) + +- Failure return -1 +- Success return int + +--- + +> success = RL_ImageFormat( Image image, int newFormat ) + +Convert image data to desired format + +- Failure return false +- Success return true + +--- + +> success = RL_ImageToPOT( Image image, Color fill ) + +Convert image to POT ( power-of-two ) + +- Failure return false +- Success return true + +--- + +> success = RL_ImageCrop( Image image, Rectangle crop ) + +Crop an image to a defined rectangle + +- Failure return false +- Success return true + +--- + +> success = RL_ImageAlphaCrop( Image image, float threshold ) + +Crop image depending on alpha value + +- Failure return false +- Success return true + +--- + +> success = RL_ImageAlphaClear( Image image, Color color, float threshold ) + +Clear alpha channel to desired color + +- Failure return false +- Success return true + +--- + +> success = RL_ImageAlphaMask( Image image, Image alphaMask ) + +Apply alpha mask to image + +- Failure return false +- Success return true + +--- + +> success = RL_ImageAlphaPremultiply( Image image ) + +Premultiply alpha channel + +- Failure return false +- Success return true + +--- + +> success = RL_ImageResize( Image image, Vector2 size ) + +Resize image ( Bicubic scaling algorithm ) + +- Failure return false +- Success return true + +--- + +> success = RL_ImageResizeNN( Image image, Vector2 size ) + +Resize image ( Nearest-Neighbor scaling algorithm ) + +- Failure return false +- Success return true + +--- + +> success = RL_ImageResizeCanvas( Image image, Vector2 size, Vector2 offset, Color fill ) + +Resize canvas and fill with color + +- Failure return false +- Success return true + +--- + +> success = RL_ImageMipmaps( Image image ) + +Generate all mipmap levels for a provided image + +- Failure return false +- Success return true + +--- + +> success = RL_ImageDither( Image image, Color bpp ) + +Dither image data to 16bpp or lower ( Floyd-Steinberg dithering ) + +- Failure return false +- Success return true + +--- + +> success = RL_ImageFlipVertical( Image image ) + +Flip image vertically + +- Failure return false +- Success return true + +--- + +> success = RL_ImageFlipHorizontal( Image image ) + +Flip image horizontally + +- Failure return false +- Success return true + +--- + +> success = RL_ImageRotateCW( Image image ) + +Rotate image clockwise 90deg + +- Failure return false +- Success return true + +--- + +> success = RL_ImageRotateCCW( Image image ) + +Rotate image counter-clockwise 90deg + +- Failure return false +- Success return true + +--- + +> success = RL_ImageColorTint( Image image, Color color ) + +Modify image color: tint + +- Failure return false +- Success return true + +--- + +> success = RL_ImageColorInvert( Image image ) + +Modify image color: invert + +- Failure return false +- Success return true + +--- + +> success = RL_ImageColorGrayscale( Image image ) + +Modify image color: grayscale + +- Failure return false +- Success return true + +--- + +> success = RL_ImageColorContrast( Image image, float contrast ) + +Modify image color: contrast ( -100 to 100 ) + +- Failure return false +- Success return true + +--- + +> success = RL_ImageColorBrightness( Image image, int brightness ) + +Modify image color: brightness ( -255 to 255 ) + +- Failure return false +- Success return true + +--- + +> success = RL_ImageColorReplace( Image image, Color color, Color replace ) + +Modify image color: replace color + +- Failure return false +- Success return true + +--- + +> colors = RL_LoadImageColors( Image image ) + +Load color data from image as a Color array ( RGBA - 32bit ) + +- Failure return false +- Success return Color{} + +--- + +> colors = RL_LoadImagePalette( Image image, int maxPaletteSize ) + +Load colors palette from image as a Color array ( RGBA - 32bit ) + +- Failure return false +- Success return Color{} + +--- + +> rectangle = RL_GetImageAlphaBorder( Image image, float threshold ) + +Get image alpha border rectangle + +- Failure return false +- Success return Rectangle + +--- + +> color = RL_GetImageColor( Image image, Vector2 pixelPos ) + +Get image pixel color at ( x, y ) position + +- Failure return false +- Success return Color + +--- + ## Textures - Image Drawing --- @@ -2326,6 +2591,37 @@ Draw text ( Custom sprite font ) within an image ( Destination ) --- +## Textures - Image Configuration + +--- + +> size = RL_GetImageSize( Image image ) + +Get image size + +- Failure return nil +- Success return Vector2 + +--- + +> mipmaps = RL_GetImageMipmaps( Image image ) + +Get image mipmaps. Mipmap levels, 1 by default + +- Failure return false +- Success return int + +--- + +> format = RL_GetImageFormat( Image image ) + +Get image data format ( PixelFormat type ) + +- Failure return false +- Success return int + +--- + ## Textures - Texture Drawing --- @@ -2416,7 +2712,7 @@ Get current texture source type ( TEXTURE_SOURCE_TEXTURE or TEXTURE_SOURCE_RENDE --- -## Textures - Configure +## Textures - Texture Configuration --- @@ -2456,6 +2752,24 @@ Get texture size --- +> mipmaps = RL_GetTextureMipmaps( Texture2D texture ) + +Get texture mipmaps. Mipmap levels, 1 by default + +- Failure return false +- Success return int + +--- + +> format = RL_GetTextureFormat( Texture2D texture ) + +Get texture mipmaps. Mipmap levels, 1 by default + +- Failure return false +- Success return int + +--- + ## Textures - Color/pixel --- diff --git a/CMakeLists.txt b/CMakeLists.txt index be2d7f2..09a73ab 100644 --- a/CMakeLists.txt +++ b/CMakeLists.txt @@ -7,8 +7,10 @@ project( ReiLua ) set( CMAKE_C_STANDARD 99 ) # Requires C99 standard if( DEBUG ) + message( Debug ) set( CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -O0 -ggdb -std=c99 -Wall -pedantic -fno-common" ) else() + message( Release ) set( CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -O3 -std=c99 -Wall -pedantic -fno-common" ) endif() @@ -18,7 +18,6 @@ List of some MISSING features that are planned to be included. For specific func * Files drop * VR stereo config functions for VR simulator * Textures - * Image manipulation functions * Texture update functions * Text * Some font loading/unloading functions diff --git a/examples/image_draw/main.lua b/examples/image_draw/main.lua index 8855fce..5490c94 100644 --- a/examples/image_draw/main.lua +++ b/examples/image_draw/main.lua @@ -2,6 +2,8 @@ local monitor = 0 local texture = -1 local image = -1 local catImage = -1 +local catCopy = -1 +local textImage = -1 function init() local mPos = RL_GetMonitorPosition( monitor ) @@ -21,6 +23,17 @@ function init() RL_ImageDraw( image, catImage, { 143, 25, 230, 250 }, { 200, 200, 230, 250 }, WHITE ) RL_ImageDrawTextEx( image, 0, "Hello", { 300, 32 }, 48.0, 1.0, WHITE ) + -- catCopy = RL_ImageCopy( catImage ) + local src = { 80, 70, 96, 96 } + catCopy = RL_ImageFromImage( catImage, src ) + + RL_ImageDraw( image, catCopy, src, { 600, 200, src[3], src[4] }, WHITE ) + -- RL_ImageDraw( image, catCopy, src, src, WHITE ) + + textImage = RL_ImageText( 0, "Cat", 10, 4, WHITE ) + local imageSize = RL_GetImageSize( textImage ) + RL_ImageDraw( image, textImage, { 0, 0, imageSize[1], imageSize[2] }, { 250, 40, imageSize[1], imageSize[2] }, WHITE ) + texture = RL_LoadTextureFromImage( image ) end diff --git a/include/textures.h b/include/textures.h index 6da17e2..06947f6 100644 --- a/include/textures.h +++ b/include/textures.h @@ -28,6 +28,36 @@ int ltexturesGenImageGradientRadial( lua_State *L ); int ltexturesGenImageChecked( lua_State *L ); int ltexturesGenImageWhiteNoise( lua_State *L ); int ltexturesGenImageCellular( lua_State *L ); +/* Image Manipulation Functions. */ +int ltexturesImageCopy( lua_State *L ); +int ltexturesImageFromImage( lua_State *L ); +int ltexturesImageText( lua_State *L ); +int ltexturesImageFormat( lua_State *L ); +int ltexturesImageToPOT( lua_State *L ); +int ltexturesImageCrop( lua_State *L ); +int ltexturesImageAlphaCrop( lua_State *L ); +int ltexturesImageAlphaClear( lua_State *L ); +int ltexturesImageAlphaMask( lua_State *L ); +int ltexturesImageAlphaPremultiply( lua_State *L ); +int ltexturesImageResize( lua_State *L ); +int ltexturesImageResizeNN( lua_State *L ); +int ltexturesImageResizeCanvas( lua_State *L ); +int ltexturesImageMipmaps( lua_State *L ); +int ltexturesImageDither( lua_State *L ); +int ltexturesImageFlipVertical( lua_State *L ); +int ltexturesImageFlipHorizontal( lua_State *L ); +int ltexturesImageRotateCW( lua_State *L ); +int ltexturesImageRotateCCW( lua_State *L ); +int ltexturesImageColorTint( lua_State *L ); +int ltexturesImageColorInvert( lua_State *L ); +int ltexturesImageColorGrayscale( lua_State *L ); +int ltexturesImageColorContrast( lua_State *L ); +int ltexturesImageColorBrightness( lua_State *L ); +int ltexturesImageColorReplace( lua_State *L ); +int ltexturesLoadImageColors( lua_State *L ); +int ltexturesLoadImagePalette( lua_State *L ); +int ltexturesGetImageAlphaBorder( lua_State *L ); +int ltexturesGetImageColor( lua_State *L ); /* Image Drawing. */ int ltexturesImageClearBackground( lua_State *L ); int ltexturesImageDrawPixel( lua_State *L ); @@ -37,6 +67,10 @@ int ltexturesImageDrawRectangle( lua_State *L ); int ltexturesImageDrawRectangleLines( lua_State *L ); int ltexturesImageDraw( lua_State *L ); int ltexturesImageDrawTextEx( lua_State *L ); +/* Image Configuration. */ +int ltexturesGetImageSize( lua_State *L ); +int ltexturesGetImageMipmaps( lua_State *L ); +int ltexturesGetImageFormat( lua_State *L ); /* Texture Drawing. */ int ltexturesDrawTexture( lua_State *L ); int ltexturesDrawTextureRec( lua_State *L ); @@ -48,11 +82,13 @@ int ltexturesBeginTextureMode( lua_State *L ); int ltexturesEndTextureMode( lua_State *L ); int ltexturesSetTextureSource( lua_State *L ); int ltexturesGetTextureSource( lua_State *L ); -/* Conf. */ +/* Texture Configuration. */ int ltexturesGenTextureMipmaps( lua_State *L ); int ltexturesSetTextureFilter( lua_State *L ); int ltexturesSetTextureWrap( lua_State *L ); int ltexturesGetTextureSize( lua_State *L ); +int ltexturesGetTextureMipmaps( lua_State *L ); +int ltexturesGetTextureFormat( lua_State *L ); /* Color/pixel */ int ltexturesFade( lua_State *L ); int ltexturesColorToInt( lua_State *L ); diff --git a/src/lua_core.c b/src/lua_core.c index 26bb1cf..da385da 100644 --- a/src/lua_core.c +++ b/src/lua_core.c @@ -666,6 +666,36 @@ void luaRegister() { lua_register( L, "RL_GenImageChecked", ltexturesGenImageChecked ); lua_register( L, "RL_GenImageWhiteNoise", ltexturesGenImageWhiteNoise ); lua_register( L, "RL_GenImageCellular", ltexturesGenImageCellular ); + /* Image Manipulation Functions. */ + lua_register( L, "RL_ImageCopy", ltexturesImageCopy ); + lua_register( L, "RL_ImageFromImage", ltexturesImageFromImage ); + lua_register( L, "RL_ImageText", ltexturesImageText ); + lua_register( L, "RL_ImageFormat", ltexturesImageFormat ); + lua_register( L, "RL_ImageToPOT", ltexturesImageToPOT ); + lua_register( L, "RL_ImageCrop", ltexturesImageCrop ); + lua_register( L, "RL_ImageAlphaCrop", ltexturesImageAlphaCrop ); + lua_register( L, "RL_ImageAlphaClear", ltexturesImageAlphaClear ); + lua_register( L, "RL_ImageAlphaMask", ltexturesImageAlphaMask ); + lua_register( L, "RL_ImageAlphaPremultiply", ltexturesImageAlphaPremultiply ); + lua_register( L, "RL_ImageResize", ltexturesImageResize ); + lua_register( L, "RL_ImageResizeNN", ltexturesImageResizeNN ); + lua_register( L, "RL_ImageResizeCanvas", ltexturesImageResizeCanvas ); + lua_register( L, "RL_ImageMipmaps", ltexturesImageMipmaps ); + lua_register( L, "RL_ImageDither", ltexturesImageDither ); + lua_register( L, "RL_ImageFlipVertical", ltexturesImageFlipVertical ); + lua_register( L, "RL_ImageFlipHorizontal", ltexturesImageFlipHorizontal ); + lua_register( L, "RL_ImageRotateCW", ltexturesImageRotateCW ); + lua_register( L, "RL_ImageRotateCCW", ltexturesImageRotateCCW ); + lua_register( L, "RL_ImageColorTint", ltexturesImageColorTint ); + lua_register( L, "RL_ImageColorInvert", ltexturesImageColorInvert ); + lua_register( L, "RL_ImageColorGrayscale", ltexturesImageColorGrayscale ); + lua_register( L, "RL_ImageColorContrast", ltexturesImageColorContrast ); + lua_register( L, "RL_ImageColorBrightness", ltexturesImageColorBrightness ); + lua_register( L, "RL_ImageColorReplace", ltexturesImageColorReplace ); + lua_register( L, "RL_LoadImageColors", ltexturesLoadImageColors ); + lua_register( L, "RL_LoadImagePalette", ltexturesLoadImagePalette ); + lua_register( L, "RL_GetImageAlphaBorder", ltexturesGetImageAlphaBorder ); + lua_register( L, "RL_GetImageColor", ltexturesGetImageColor ); /* Image Drawing. */ lua_register( L, "RL_ImageClearBackground", ltexturesImageClearBackground ); lua_register( L, "RL_ImageDrawPixel", ltexturesImageDrawPixel ); @@ -675,6 +705,10 @@ void luaRegister() { lua_register( L, "RL_ImageDrawRectangleLines", ltexturesImageDrawRectangleLines ); lua_register( L, "RL_ImageDraw", ltexturesImageDraw ); lua_register( L, "RL_ImageDrawTextEx", ltexturesImageDrawTextEx ); + /* Image Configuration. */ + lua_register( L, "RL_GetImageSize", ltexturesGetImageSize ); + lua_register( L, "RL_GetImageMipmaps", ltexturesGetImageMipmaps ); + lua_register( L, "RL_GetImageFormat", ltexturesGetImageFormat ); /* Texture Drawing. */ lua_register( L, "RL_DrawTexture", ltexturesDrawTexture ); lua_register( L, "RL_DrawTextureRec", ltexturesDrawTextureRec ); @@ -686,11 +720,13 @@ void luaRegister() { lua_register( L, "RL_EndTextureMode", ltexturesEndTextureMode ); lua_register( L, "RL_SetTextureSource", ltexturesSetTextureSource ); lua_register( L, "RL_GetTextureSource", ltexturesGetTextureSource ); - /* Conf. */ + /* Texture Configuration. */ lua_register( L, "RL_GenTextureMipmaps", ltexturesGenTextureMipmaps ); lua_register( L, "RL_SetTextureFilter", ltexturesSetTextureFilter ); lua_register( L, "RL_SetTextureWrap", ltexturesSetTextureWrap ); lua_register( L, "RL_GetTextureSize", ltexturesGetTextureSize ); + lua_register( L, "RL_GetTextureMipmaps", ltexturesGetTextureMipmaps ); + lua_register( L, "RL_GetTextureFormat", ltexturesGetTextureFormat ); /* Color/pixel */ lua_register( L, "RL_Fade", ltexturesFade ); lua_register( L, "RL_ColorToInt", ltexturesColorToInt ); diff --git a/src/textures.c b/src/textures.c index f65b4c5..afc20c4 100644 --- a/src/textures.c +++ b/src/textures.c @@ -91,6 +91,34 @@ bool validSourceTexture( size_t id ) { } } +static int newImage() { + int i = 0; + + for ( i = 0; i < state->imageCount; i++ ) { + if ( state->images[i] == NULL ) { + break; + } + } + state->images[i] = malloc( sizeof( Image ) ); + checkImageRealloc( i ); + + return i; +} + +static int newTexture() { + int i = 0; + + for ( i = 0; i < state->textureCount; i++ ) { + if ( state->textures[i] == NULL ) { + break; + } + } + state->textures[i] = malloc( sizeof( Texture2D ) ); + checkTextureRealloc( i ); + + return i; +} + Texture2D* texturesGetSourceTexture( size_t index ) { switch ( state->textureSource ) { case TEXTURE_SOURCE_TEXTURE: @@ -123,17 +151,10 @@ int ltexturesLoadImage( lua_State *L ) { } if ( FileExists( lua_tostring( L, -1 ) ) ) { - int i = 0; - - for ( i = 0; i < state->imageCount; i++ ) { - if ( state->images[i] == NULL ) { - break; - } - } - state->images[i] = malloc( sizeof( Image ) ); + int i = newImage(); *state->images[i] = LoadImage( lua_tostring( L, -1 ) ); lua_pushinteger( L, i ); - checkImageRealloc( i ); + return 1; } else { @@ -156,25 +177,15 @@ int ltexturesLoadImageFromTexture( lua_State *L ) { lua_pushinteger( L, -1 ); return 1; } - size_t texId = lua_tointeger( L, -1 ); if ( !validSourceTexture( texId ) ) { lua_pushinteger( L, -1 ); return 1; } - - int i = 0; - - for ( i = 0; i < state->imageCount; i++ ) { - if ( state->images[i] == NULL ) { - break; - } - } - state->images[i] = malloc( sizeof( Image ) ); + int i = newImage(); *state->images[i] = LoadImageFromTexture( *texturesGetSourceTexture( texId ) ); lua_pushinteger( L, i ); - checkImageRealloc( i ); return 1; } @@ -187,17 +198,9 @@ Load image from screen buffer and ( screenshot ) - Success return int */ int ltexturesLoadImageFromScreen( lua_State *L ) { - int i = 0; - - for ( i = 0; i < state->imageCount; i++ ) { - if ( state->images[i] == NULL ) { - break; - } - } - state->images[i] = malloc( sizeof( Image ) ); + int i = newImage(); *state->images[i] = LoadImageFromScreen(); lua_pushinteger( L, i ); - checkImageRealloc( i ); return 1; } @@ -295,17 +298,9 @@ int ltexturesLoadTexture( lua_State *L ) { } if ( FileExists( lua_tostring( L, -1 ) ) ) { - int i = 0; - - for ( i = 0; i < state->textureCount; i++ ) { - if ( state->textures[i] == NULL ) { - break; - } - } - state->textures[i] = malloc( sizeof( Texture2D ) ); + int i = newTexture(); *state->textures[i] = LoadTexture( lua_tostring( L, -1 ) ); lua_pushinteger( L, i ); - checkTextureRealloc( i ); return 1; } else { @@ -334,18 +329,9 @@ int ltexturesLoadTextureFromImage( lua_State *L ) { lua_pushboolean( L, false ); return 1; } - - int i = 0; - - for ( i = 0; i < state->textureCount; i++ ) { - if ( state->textures[i] == NULL ) { - break; - } - } - state->textures[i] = malloc( sizeof( Texture2D ) ); + int i = newTexture(); *state->textures[i] = LoadTextureFromImage( *state->images[ imageId ] ); lua_pushinteger( L, i ); - checkTextureRealloc( i ); return 1; } @@ -458,17 +444,9 @@ int ltexturesGenImageColor( lua_State *L ) { lua_pop( L, 1 ); int width = lua_tointeger( L, -1 ); - int i = 0; - - for ( i = 0; i < state->imageCount; i++ ) { - if ( state->images[i] == NULL ) { - break; - } - } - state->images[i] = malloc( sizeof( Image ) ); + int i = newImage(); *state->images[i] = GenImageColor( width, height, color ); lua_pushinteger( L, i ); - checkImageRealloc( i ); return 1; } @@ -493,17 +471,9 @@ int ltexturesGenImageGradientV( lua_State *L ) { lua_pop( L, 1 ); Vector2 size = uluaGetVector2( L ); - int i = 0; - - for ( i = 0; i < state->imageCount; i++ ) { - if ( state->images[i] == NULL ) { - break; - } - } - state->images[i] = malloc( sizeof( Image ) ); + int i = newImage(); *state->images[i] = GenImageGradientV( (int)size.x, (int)size.y, top, bottom ); lua_pushinteger( L, i ); - checkImageRealloc( i ); return 1; } @@ -528,17 +498,9 @@ int ltexturesGenImageGradientH( lua_State *L ) { lua_pop( L, 1 ); Vector2 size = uluaGetVector2( L ); - int i = 0; - - for ( i = 0; i < state->imageCount; i++ ) { - if ( state->images[i] == NULL ) { - break; - } - } - state->images[i] = malloc( sizeof( Image ) ); + int i = newImage(); *state->images[i] = GenImageGradientH( (int)size.x, (int)size.y, left, right ); lua_pushinteger( L, i ); - checkImageRealloc( i ); return 1; } @@ -565,17 +527,9 @@ int ltexturesGenImageGradientRadial( lua_State *L ) { lua_pop( L, 1 ); Vector2 size = uluaGetVector2( L ); - int i = 0; - - for ( i = 0; i < state->imageCount; i++ ) { - if ( state->images[i] == NULL ) { - break; - } - } - state->images[i] = malloc( sizeof( Image ) ); + int i = newImage(); *state->images[i] = GenImageGradientRadial( (int)size.x, (int)size.y, density, inner, outer ); lua_pushinteger( L, i ); - checkImageRealloc( i ); return 1; } @@ -602,17 +556,9 @@ int ltexturesGenImageChecked( lua_State *L ) { lua_pop( L, 1 ); Vector2 size = uluaGetVector2( L ); - int i = 0; - - for ( i = 0; i < state->imageCount; i++ ) { - if ( state->images[i] == NULL ) { - break; - } - } - state->images[i] = malloc( sizeof( Image ) ); + int i = newImage(); *state->images[i] = GenImageChecked( (int)size.x, (int)size.y, (int)checks.x, (int)checks.y, col1, col2 ); lua_pushinteger( L, i ); - checkImageRealloc( i ); return 1; } @@ -635,17 +581,9 @@ int ltexturesGenImageWhiteNoise( lua_State *L ) { lua_pop( L, 1 ); Vector2 size = uluaGetVector2( L ); - int i = 0; - - for ( i = 0; i < state->imageCount; i++ ) { - if ( state->images[i] == NULL ) { - break; - } - } - state->images[i] = malloc( sizeof( Image ) ); + int i = newImage(); *state->images[i] = GenImageWhiteNoise( (int)size.x, (int)size.y, factor ); lua_pushinteger( L, i ); - checkImageRealloc( i ); return 1; } @@ -668,17 +606,837 @@ int ltexturesGenImageCellular( lua_State *L ) { lua_pop( L, 1 ); Vector2 size = uluaGetVector2( L ); - int i = 0; + int i = newImage(); + *state->images[i] = GenImageCellular( (int)size.x, (int)size.y, tileSize ); + lua_pushinteger( L, i ); - for ( i = 0; i < state->imageCount; i++ ) { - if ( state->images[i] == NULL ) { - break; - } + return 1; +} + +/* +## Textures - Image Manipulation Functions +*/ + +/* +> image = RL_ImageCopy( Image image ) + +Create an image duplicate ( useful for transformations ) + +- Failure return -1 +- Success return int +*/ +int ltexturesImageCopy( lua_State *L ) { + if ( !lua_isnumber( L, -1 ) ) { + TraceLog( LOG_WARNING, "%s", "Bad call of function. RL_ImageCopy( Image image )" ); + lua_pushinteger( L, -1 ); + return 1; } - state->images[i] = malloc( sizeof( Image ) ); - *state->images[i] = GenImageCellular( (int)size.x, (int)size.y, tileSize ); + size_t imageId = lua_tointeger( L, -1 ); + + if ( !validImage( imageId ) ) { + lua_pushinteger( L, -1 ); + return 1; + } + int i = newImage(); + *state->images[i] = ImageCopy( *state->images[ imageId ] ); lua_pushinteger( L, i ); - checkImageRealloc( i ); + + return 1; +} + +/* +> image = RL_ImageFromImage( Image image, Rectangle rec ) + +Create an image from another image piece + +- Failure return -1 +- Success return int +*/ +int ltexturesImageFromImage( lua_State *L ) { + if ( !lua_isnumber( L, -2 ) || !lua_istable( L, -1 ) ) { + TraceLog( LOG_WARNING, "%s", "Bad call of function. RL_ImageFromImage( Image image, Rectangle rec )" ); + lua_pushinteger( L, -1 ); + return 1; + } + Rectangle rec = uluaGetRectangle( L ); + lua_pop( L, 1 ); + size_t imageId = lua_tointeger( L, -1 ); + + if ( !validImage( imageId ) ) { + lua_pushinteger( L, -1 ); + return 1; + } + int i = newImage(); + *state->images[i] = ImageFromImage( *state->images[ imageId ], rec ); + lua_pushinteger( L, i ); + + return 1; +} + +/* +> image = RL_ImageText( Font font, string text, float fontSize, float spacing, Color tint ) + +Create an image from text ( custom sprite font ) + +- Failure return -1 +- Success return int +*/ +int ltexturesImageText( lua_State *L ) { + if ( !lua_isnumber( L, -5 ) || !lua_isstring( L, -4 ) || !lua_isnumber( L, -3 ) + || !lua_isnumber( L, -2 ) || !lua_istable( L, -1 ) ) { + TraceLog( LOG_WARNING, "%s", "Bad call of function. RL_ImageText( Font font, string text, float fontSize, float spacing, Color tint )" ); + lua_pushinteger( L, -1 ); + return 1; + } + Color tint = uluaGetColor( L ); + lua_pop( L, 1 ); + float spacing = lua_tonumber( L, -1 ); + lua_pop( L, 1 ); + float fontSize = lua_tonumber( L, -1 ); + lua_pop( L, 1 ); + size_t fontId = lua_tointeger( L, -2 ); + + if ( !validFont( fontId ) ) { + lua_pushinteger( L, -1 ); + return 1; + } + int i = newImage(); + *state->images[i] = ImageTextEx( *state->fonts[ fontId ], lua_tostring( L, -1 ), fontSize, spacing, tint ); + lua_pushinteger( L, i ); + + return 1; +} + +/* +> success = RL_ImageFormat( Image image, int newFormat ) + +Convert image data to desired format + +- Failure return false +- Success return true +*/ +int ltexturesImageFormat( lua_State *L ) { + if ( !lua_isnumber( L, -2 ) || !lua_isnumber( L, -1 ) ) { + TraceLog( LOG_WARNING, "%s", "Bad call of function. RL_ImageFormat( Image image, int newFormat )" ); + lua_pushboolean( L, false ); + return 1; + } + int newFormat = lua_tointeger( L, -1 ); + lua_pop( L, 1 ); + size_t imageId = lua_tointeger( L, -1 ); + + if ( !validImage( imageId ) ) { + lua_pushboolean( L, false ); + return 1; + } + ImageFormat( state->images[ imageId ], newFormat ); + lua_pushboolean( L, true ); + + return 1; +} + +/* +> success = RL_ImageToPOT( Image image, Color fill ) + +Convert image to POT ( power-of-two ) + +- Failure return false +- Success return true +*/ +int ltexturesImageToPOT( lua_State *L ) { + if ( !lua_isnumber( L, -2 ) || !lua_istable( L, -1 ) ) { + TraceLog( LOG_WARNING, "%s", "Bad call of function. RL_ImageToPOT( Image image, Color fill )" ); + lua_pushboolean( L, false ); + return 1; + } + Color fill = uluaGetColor( L ); + lua_pop( L, 1 ); + size_t imageId = lua_tointeger( L, -1 ); + + if ( !validImage( imageId ) ) { + lua_pushboolean( L, false ); + return 1; + } + ImageToPOT( state->images[ imageId ], fill ); + lua_pushboolean( L, true ); + + return 1; +} + +/* +> success = RL_ImageCrop( Image image, Rectangle crop ) + +Crop an image to a defined rectangle + +- Failure return false +- Success return true +*/ +int ltexturesImageCrop( lua_State *L ) { + if ( !lua_isnumber( L, -2 ) || !lua_istable( L, -1 ) ) { + TraceLog( LOG_WARNING, "%s", "Bad call of function. RL_ImageCrop( Image image, Rectangle crop )" ); + lua_pushboolean( L, false ); + return 1; + } + Rectangle crop = uluaGetRectangle( L ); + lua_pop( L, 1 ); + size_t imageId = lua_tointeger( L, -1 ); + + if ( !validImage( imageId ) ) { + lua_pushboolean( L, false ); + return 1; + } + ImageCrop( state->images[ imageId ], crop ); + lua_pushboolean( L, true ); + + return 1; +} + +/* +> success = RL_ImageAlphaCrop( Image image, float threshold ) + +Crop image depending on alpha value + +- Failure return false +- Success return true +*/ +int ltexturesImageAlphaCrop( lua_State *L ) { + if ( !lua_isnumber( L, -2 ) || !lua_isnumber( L, -1 ) ) { + TraceLog( LOG_WARNING, "%s", "Bad call of function. RL_ImageAlphaCrop( Image image, float threshold )" ); + lua_pushboolean( L, false ); + return 1; + } + float threshold = lua_tonumber( L, -1 ); + lua_pop( L, 1 ); + size_t imageId = lua_tointeger( L, -1 ); + + if ( !validImage( imageId ) ) { + lua_pushboolean( L, false ); + return 1; + } + ImageAlphaCrop( state->images[ imageId ], threshold ); + lua_pushboolean( L, true ); + + return 1; +} + +/* +> success = RL_ImageAlphaClear( Image image, Color color, float threshold ) + +Clear alpha channel to desired color + +- Failure return false +- Success return true +*/ +int ltexturesImageAlphaClear( lua_State *L ) { + if ( !lua_isnumber( L, -3 ) || !lua_istable( L, -2 ) || !lua_isnumber( L, -1 ) ) { + TraceLog( LOG_WARNING, "%s", "Bad call of function. RL_ImageAlphaClear( Image image, Color color, float threshold )" ); + lua_pushboolean( L, false ); + return 1; + } + Color color = uluaGetColor( L ); + lua_pop( L, 1 ); + float threshold = lua_tonumber( L, -1 ); + lua_pop( L, 1 ); + size_t imageId = lua_tointeger( L, -1 ); + + if ( !validImage( imageId ) ) { + lua_pushboolean( L, false ); + return 1; + } + ImageAlphaClear( state->images[ imageId ], color, threshold ); + lua_pushboolean( L, true ); + + return 1; +} + +/* +> success = RL_ImageAlphaMask( Image image, Image alphaMask ) + +Apply alpha mask to image + +- Failure return false +- Success return true +*/ +int ltexturesImageAlphaMask( lua_State *L ) { + if ( !lua_isnumber( L, -2 ) || !lua_isnumber( L, -1 ) ) { + TraceLog( LOG_WARNING, "%s", "Bad call of function. RL_ImageAlphaMask( Image image, Image alphaMask )" ); + lua_pushboolean( L, false ); + return 1; + } + size_t alphaMaskId = lua_tonumber( L, -1 ); + lua_pop( L, 1 ); + size_t imageId = lua_tointeger( L, -1 ); + + if ( !validImage( imageId ) || !validImage( alphaMaskId ) ) { + lua_pushboolean( L, false ); + return 1; + } + ImageAlphaMask( state->images[ imageId ], *state->images[ alphaMaskId ] ); + lua_pushboolean( L, true ); + + return 1; +} + +/* +> success = RL_ImageAlphaPremultiply( Image image ) + +Premultiply alpha channel + +- Failure return false +- Success return true +*/ +int ltexturesImageAlphaPremultiply( lua_State *L ) { + if ( !lua_isnumber( L, -1 ) ) { + TraceLog( LOG_WARNING, "%s", "Bad call of function. RL_ImageAlphaPremultiply( Image image )" ); + lua_pushboolean( L, false ); + return 1; + } + size_t imageId = lua_tointeger( L, -1 ); + + if ( !validImage( imageId ) ) { + lua_pushboolean( L, false ); + return 1; + } + ImageAlphaPremultiply( state->images[ imageId ] ); + lua_pushboolean( L, true ); + + return 1; +} + +/* +> success = RL_ImageResize( Image image, Vector2 size ) + +Resize image ( Bicubic scaling algorithm ) + +- Failure return false +- Success return true +*/ +int ltexturesImageResize( lua_State *L ) { + if ( !lua_isnumber( L, -2 ) || !lua_istable( L, -1 ) ) { + TraceLog( LOG_WARNING, "%s", "Bad call of function. RL_ImageResize( Image image, Vector2 size )" ); + lua_pushboolean( L, false ); + return 1; + } + Vector2 size = uluaGetVector2( L ); + lua_pop( L, 1 ); + size_t imageId = lua_tointeger( L, -1 ); + + if ( !validImage( imageId ) ) { + lua_pushboolean( L, false ); + return 1; + } + ImageResize( state->images[ imageId ], size.x, size.y ); + lua_pushboolean( L, true ); + + return 1; +} + +/* +> success = RL_ImageResizeNN( Image image, Vector2 size ) + +Resize image ( Nearest-Neighbor scaling algorithm ) + +- Failure return false +- Success return true +*/ +int ltexturesImageResizeNN( lua_State *L ) { + if ( !lua_isnumber( L, -2 ) || !lua_istable( L, -1 ) ) { + TraceLog( LOG_WARNING, "%s", "Bad call of function. RL_ImageResizeNN( Image image, Vector2 size )" ); + lua_pushboolean( L, false ); + return 1; + } + Vector2 size = uluaGetVector2( L ); + lua_pop( L, 1 ); + size_t imageId = lua_tointeger( L, -1 ); + + if ( !validImage( imageId ) ) { + lua_pushboolean( L, false ); + return 1; + } + ImageResizeNN( state->images[ imageId ], size.x, size.y ); + lua_pushboolean( L, true ); + + return 1; +} + +/* +> success = RL_ImageResizeCanvas( Image image, Vector2 size, Vector2 offset, Color fill ) + +Resize canvas and fill with color + +- Failure return false +- Success return true +*/ +int ltexturesImageResizeCanvas( lua_State *L ) { + if ( !lua_isnumber( L, -4 ) || !lua_istable( L, -3 ) || !lua_istable( L, -2 ) || !lua_istable( L, -1 ) ) { + TraceLog( LOG_WARNING, "%s", "Bad call of function. RL_ImageResizeCanvas( Image image, Vector2 size, Vector2 offset, Color fill )" ); + lua_pushboolean( L, false ); + return 1; + } + Color fill = uluaGetColor( L ); + lua_pop( L, 1 ); + Vector2 offset = uluaGetVector2( L ); + lua_pop( L, 1 ); + Vector2 size = uluaGetVector2( L ); + lua_pop( L, 1 ); + size_t imageId = lua_tointeger( L, -1 ); + + if ( !validImage( imageId ) ) { + lua_pushboolean( L, false ); + return 1; + } + ImageResizeCanvas( state->images[ imageId ], size.x, size.y, offset.x, offset.y, fill ); + lua_pushboolean( L, true ); + + return 1; +} + +/* +> success = RL_ImageMipmaps( Image image ) + +Generate all mipmap levels for a provided image + +- Failure return false +- Success return true +*/ +int ltexturesImageMipmaps( lua_State *L ) { + if ( !lua_isnumber( L, -1 ) ) { + TraceLog( LOG_WARNING, "%s", "Bad call of function. RL_ImageMipmaps( Image image )" ); + lua_pushboolean( L, false ); + return 1; + } + size_t imageId = lua_tointeger( L, -1 ); + + if ( !validImage( imageId ) ) { + lua_pushboolean( L, false ); + return 1; + } + ImageMipmaps( state->images[ imageId ] ); + lua_pushboolean( L, true ); + + return 1; +} + +/* +> success = RL_ImageDither( Image image, Color bpp ) + +Dither image data to 16bpp or lower ( Floyd-Steinberg dithering ) + +- Failure return false +- Success return true +*/ +int ltexturesImageDither( lua_State *L ) { + if ( !lua_isnumber( L, -2 ) || !lua_istable( L, -1 ) ) { + TraceLog( LOG_WARNING, "%s", "Bad call of function. RL_ImageDither( Image image, Color bpp )" ); + lua_pushboolean( L, false ); + return 1; + } + Color bpp = uluaGetColor( L ); + lua_pop( L, 1 ); + size_t imageId = lua_tointeger( L, -1 ); + + if ( !validImage( imageId ) ) { + lua_pushboolean( L, false ); + return 1; + } + ImageDither( state->images[ imageId ], bpp.r, bpp.g, bpp.b, bpp.a ); + lua_pushboolean( L, true ); + + return 1; +} + +/* +> success = RL_ImageFlipVertical( Image image ) + +Flip image vertically + +- Failure return false +- Success return true +*/ +int ltexturesImageFlipVertical( lua_State *L ) { + if ( !lua_isnumber( L, -1 ) ) { + TraceLog( LOG_WARNING, "%s", "Bad call of function. RL_ImageFlipVertical( Image image )" ); + lua_pushboolean( L, false ); + return 1; + } + size_t imageId = lua_tointeger( L, -1 ); + + if ( !validImage( imageId ) ) { + lua_pushboolean( L, false ); + return 1; + } + ImageFlipVertical( state->images[ imageId ] ); + lua_pushboolean( L, true ); + + return 1; +} + +/* +> success = RL_ImageFlipHorizontal( Image image ) + +Flip image horizontally + +- Failure return false +- Success return true +*/ +int ltexturesImageFlipHorizontal( lua_State *L ) { + if ( !lua_isnumber( L, -1 ) ) { + TraceLog( LOG_WARNING, "%s", "Bad call of function. RL_ImageFlipHorizontal( Image image )" ); + lua_pushboolean( L, false ); + return 1; + } + size_t imageId = lua_tointeger( L, -1 ); + + if ( !validImage( imageId ) ) { + lua_pushboolean( L, false ); + return 1; + } + ImageFlipHorizontal( state->images[ imageId ] ); + lua_pushboolean( L, true ); + + return 1; +} + +/* +> success = RL_ImageRotateCW( Image image ) + +Rotate image clockwise 90deg + +- Failure return false +- Success return true +*/ +int ltexturesImageRotateCW( lua_State *L ) { + if ( !lua_isnumber( L, -1 ) ) { + TraceLog( LOG_WARNING, "%s", "Bad call of function. RL_ImageRotateCW( Image image )" ); + lua_pushboolean( L, false ); + return 1; + } + size_t imageId = lua_tointeger( L, -1 ); + + if ( !validImage( imageId ) ) { + lua_pushboolean( L, false ); + return 1; + } + ImageRotateCW( state->images[ imageId ] ); + lua_pushboolean( L, true ); + + return 1; +} + +/* +> success = RL_ImageRotateCCW( Image image ) + +Rotate image counter-clockwise 90deg + +- Failure return false +- Success return true +*/ +int ltexturesImageRotateCCW( lua_State *L ) { + if ( !lua_isnumber( L, -1 ) ) { + TraceLog( LOG_WARNING, "%s", "Bad call of function. RL_ImageRotateCCW( Image image )" ); + lua_pushboolean( L, false ); + return 1; + } + size_t imageId = lua_tointeger( L, -1 ); + + if ( !validImage( imageId ) ) { + lua_pushboolean( L, false ); + return 1; + } + ImageRotateCCW( state->images[ imageId ] ); + lua_pushboolean( L, true ); + + return 1; +} + +/* +> success = RL_ImageColorTint( Image image, Color color ) + +Modify image color: tint + +- Failure return false +- Success return true +*/ +int ltexturesImageColorTint( lua_State *L ) { + if ( !lua_isnumber( L, -2 ) || !lua_istable( L, -1 ) ) { + TraceLog( LOG_WARNING, "%s", "Bad call of function. RL_ImageColorTint( Image image, Color color )" ); + lua_pushboolean( L, false ); + return 1; + } + Color color = uluaGetColor( L ); + lua_pop( L, 1 ); + size_t imageId = lua_tointeger( L, -1 ); + + if ( !validImage( imageId ) ) { + lua_pushboolean( L, false ); + return 1; + } + ImageColorTint( state->images[ imageId ], color ); + lua_pushboolean( L, true ); + + return 1; +} + +/* +> success = RL_ImageColorInvert( Image image ) + +Modify image color: invert + +- Failure return false +- Success return true +*/ +int ltexturesImageColorInvert( lua_State *L ) { + if ( !lua_isnumber( L, -1 ) ) { + TraceLog( LOG_WARNING, "%s", "Bad call of function. RL_ImageColorInvert( Image image )" ); + lua_pushboolean( L, false ); + return 1; + } + size_t imageId = lua_tointeger( L, -1 ); + + if ( !validImage( imageId ) ) { + lua_pushboolean( L, false ); + return 1; + } + ImageColorInvert( state->images[ imageId ] ); + lua_pushboolean( L, true ); + + return 1; +} + +/* +> success = RL_ImageColorGrayscale( Image image ) + +Modify image color: grayscale + +- Failure return false +- Success return true +*/ +int ltexturesImageColorGrayscale( lua_State *L ) { + if ( !lua_isnumber( L, -1 ) ) { + TraceLog( LOG_WARNING, "%s", "Bad call of function. RL_ImageColorGrayscale( Image image )" ); + lua_pushboolean( L, false ); + return 1; + } + size_t imageId = lua_tointeger( L, -1 ); + + if ( !validImage( imageId ) ) { + lua_pushboolean( L, false ); + return 1; + } + ImageColorGrayscale( state->images[ imageId ] ); + lua_pushboolean( L, true ); + + return 1; +} + +/* +> success = RL_ImageColorContrast( Image image, float contrast ) + +Modify image color: contrast ( -100 to 100 ) + +- Failure return false +- Success return true +*/ +int ltexturesImageColorContrast( lua_State *L ) { + if ( !lua_isnumber( L, -2 ) || !lua_isnumber( L, -1 ) ) { + TraceLog( LOG_WARNING, "%s", "Bad call of function. RL_ImageColorContrast( Image image, float contrast )" ); + lua_pushboolean( L, false ); + return 1; + } + float contrast = lua_tonumber( L, -1 ); + lua_pop( L, 1 ); + size_t imageId = lua_tointeger( L, -1 ); + + if ( !validImage( imageId ) ) { + lua_pushboolean( L, false ); + return 1; + } + ImageColorContrast( state->images[ imageId ], contrast ); + lua_pushboolean( L, true ); + + return 1; +} + +/* +> success = RL_ImageColorBrightness( Image image, int brightness ) + +Modify image color: brightness ( -255 to 255 ) + +- Failure return false +- Success return true +*/ +int ltexturesImageColorBrightness( lua_State *L ) { + if ( !lua_isnumber( L, -2 ) || !lua_isnumber( L, -1 ) ) { + TraceLog( LOG_WARNING, "%s", "Bad call of function. RL_ImageColorBrightness( Image image, int brightness )" ); + lua_pushboolean( L, false ); + return 1; + } + int brightness = lua_tointeger( L, -1 ); + lua_pop( L, 1 ); + size_t imageId = lua_tointeger( L, -1 ); + + if ( !validImage( imageId ) ) { + lua_pushboolean( L, false ); + return 1; + } + ImageColorBrightness( state->images[ imageId ], brightness ); + lua_pushboolean( L, true ); + + return 1; +} + +/* +> success = RL_ImageColorReplace( Image image, Color color, Color replace ) + +Modify image color: replace color + +- Failure return false +- Success return true +*/ +int ltexturesImageColorReplace( lua_State *L ) { + if ( !lua_isnumber( L, -3 ) || !lua_istable( L, -2 ) || !lua_istable( L, -1 ) ) { + TraceLog( LOG_WARNING, "%s", "Bad call of function. RL_ImageColorReplace( Image image, Color color, Color replace )" ); + lua_pushboolean( L, false ); + return 1; + } + Color replace = uluaGetColor( L ); + lua_pop( L, 1 ); + Color color = uluaGetColor( L ); + lua_pop( L, 1 ); + size_t imageId = lua_tointeger( L, -1 ); + + if ( !validImage( imageId ) ) { + lua_pushboolean( L, false ); + return 1; + } + ImageColorReplace( state->images[ imageId ], color, replace ); + lua_pushboolean( L, true ); + + return 1; +} + +/* +> colors = RL_LoadImageColors( Image image ) + +Load color data from image as a Color array ( RGBA - 32bit ) + +- Failure return false +- Success return Color{} +*/ +int ltexturesLoadImageColors( lua_State *L ) { + if ( !lua_isnumber( L, -1 ) ) { + TraceLog( LOG_WARNING, "%s", "Bad call of function. RL_LoadImageColors( Image image )" ); + lua_pushboolean( L, false ); + return 1; + } + size_t imageId = lua_tointeger( L, -1 ); + + if ( !validImage( imageId ) ) { + lua_pushboolean( L, false ); + return 1; + } + int colorCount = state->images[ imageId ]->width * state->images[ imageId ]->height; + + Color *colors = LoadImageColors( *state->images[ imageId ] ); + + lua_createtable( L, colorCount, 0 ); + + for ( int i = 0; i < colorCount; ++i ) { + uluaPushColor( L, colors[i] ); + lua_rawseti( L, -2, i + 1 ); + } + UnloadImageColors( colors ); + + return 1; +} + +/* +> colors = RL_LoadImagePalette( Image image, int maxPaletteSize ) + +Load colors palette from image as a Color array ( RGBA - 32bit ) + +- Failure return false +- Success return Color{} +*/ +int ltexturesLoadImagePalette( lua_State *L ) { + if ( !lua_isnumber( L, -2 ) || !lua_isnumber( L, -1 ) ) { + TraceLog( LOG_WARNING, "%s", "Bad call of function. RL_LoadImagePalette( Image image, int maxPaletteSize )" ); + lua_pushboolean( L, false ); + return 1; + } + int maxPaletteSize = lua_tointeger( L, -1 ); + lua_pop( L, 1 ); + size_t imageId = lua_tointeger( L, -1 ); + + if ( !validImage( imageId ) ) { + lua_pushboolean( L, false ); + return 1; + } + int colorCount = 0; + + Color *colors = LoadImagePalette( *state->images[ imageId ], maxPaletteSize, &colorCount ); + + lua_createtable( L, colorCount, 0 ); + + for ( int i = 0; i < colorCount; ++i ) { + uluaPushColor( L, colors[i] ); + lua_rawseti( L, -2, i + 1 ); + } + UnloadImagePalette( colors ); + + return 1; +} + +/* +> rectangle = RL_GetImageAlphaBorder( Image image, float threshold ) + +Get image alpha border rectangle + +- Failure return false +- Success return Rectangle +*/ +int ltexturesGetImageAlphaBorder( lua_State *L ) { + if ( !lua_isnumber( L, -2 ) || !lua_isnumber( L, -1 ) ) { + TraceLog( LOG_WARNING, "%s", "Bad call of function. RL_GetImageAlphaBorder( Image image, float threshold )" ); + lua_pushboolean( L, false ); + return 1; + } + float threshold = lua_tonumber( L, -1 ); + lua_pop( L, 1 ); + size_t imageId = lua_tointeger( L, -1 ); + + if ( !validImage( imageId ) ) { + lua_pushboolean( L, false ); + return 1; + } + uluaPushRectangle( L, GetImageAlphaBorder( *state->images[ imageId ], threshold ) ); + + return 1; +} + +/* +> color = RL_GetImageColor( Image image, Vector2 pixelPos ) + +Get image pixel color at ( x, y ) position + +- Failure return false +- Success return Color +*/ +int ltexturesGetImageColor( lua_State *L ) { + if ( !lua_isnumber( L, -2 ) || !lua_isnumber( L, -1 ) ) { + TraceLog( LOG_WARNING, "%s", "Bad call of function. RL_GetImageColor( Image image, Vector2 pixelPos )" ); + lua_pushboolean( L, false ); + return 1; + } + Vector2 pixelPos = uluaGetVector2( L ); + lua_pop( L, 1 ); + size_t imageId = lua_tointeger( L, -1 ); + + if ( !validImage( imageId ) ) { + lua_pushboolean( L, false ); + return 1; + } + uluaPushColor( L, GetImageColor( *state->images[ imageId ], pixelPos.x, pixelPos.y ) ); return 1; } @@ -950,6 +1708,87 @@ int ltexturesImageDrawTextEx( lua_State *L ) { } /* +## Textures - Image Configuration +*/ + +/* +> size = RL_GetImageSize( Image image ) + +Get image size + +- Failure return nil +- Success return Vector2 +*/ +int ltexturesGetImageSize( lua_State *L ) { + if ( !lua_isnumber( L, -1 ) ) { + TraceLog( LOG_WARNING, "%s", "Bad call of function. RL_GetImageSize( Image image )" ); + lua_pushnil( L ); + return 1; + } + size_t imageId = lua_tointeger( L, -1 ); + + if ( !validImage( imageId ) ) { + lua_pushnil( L ); + return 1; + } + + Image *image = state->images[ imageId ]; + uluaPushVector2( L, (Vector2){ image->width, image->height } ); + + return 1; +} + +/* +> mipmaps = RL_GetImageMipmaps( Image image ) + +Get image mipmaps. Mipmap levels, 1 by default + +- Failure return false +- Success return int +*/ +int ltexturesGetImageMipmaps( lua_State *L ) { + if ( !lua_isnumber( L, -1 ) ) { + TraceLog( LOG_WARNING, "%s", "Bad call of function. RL_GetImageMipmaps( Image image )" ); + lua_pushboolean( L, false ); + return 1; + } + size_t imageId = lua_tointeger( L, -1 ); + + if ( !validImage( imageId ) ) { + lua_pushboolean( L, false ); + return 1; + } + lua_pushinteger( L, state->images[ imageId ]->mipmaps ); + + return 1; +} + +/* +> format = RL_GetImageFormat( Image image ) + +Get image data format ( PixelFormat type ) + +- Failure return false +- Success return int +*/ +int ltexturesGetImageFormat( lua_State *L ) { + if ( !lua_isnumber( L, -1 ) ) { + TraceLog( LOG_WARNING, "%s", "Bad call of function. RL_GetImageFormat( Image image )" ); + lua_pushboolean( L, false ); + return 1; + } + size_t imageId = lua_tointeger( L, -1 ); + + if ( !validImage( imageId ) ) { + lua_pushboolean( L, false ); + return 1; + } + lua_pushinteger( L, state->images[ imageId ]->format ); + + return 1; +} + +/* ## Textures - Texture Drawing */ @@ -1270,7 +2109,7 @@ int ltexturesGetTextureSource( lua_State *L ) { } /* -## Textures - Configure +## Textures - Texture Configuration */ /* @@ -1289,7 +2128,8 @@ int ltexturesGenTextureMipmaps( lua_State *L ) { } size_t texId = lua_tointeger( L, -1 ); - if ( !validTexture( texId ) ) { + // if ( !validTexture( texId ) ) { + if ( !validSourceTexture( texId ) ) { lua_pushboolean( L, false ); return 1; } @@ -1316,7 +2156,8 @@ int ltexturesSetTextureFilter( lua_State *L ) { } size_t texId = lua_tointeger( L, -2 ); - if ( !validTexture( texId ) ) { + // if ( !validTexture( texId ) ) { + if ( !validSourceTexture( texId ) ) { lua_pushboolean( L, false ); return 1; } @@ -1343,12 +2184,14 @@ int ltexturesSetTextureWrap( lua_State *L ) { } size_t texId = lua_tointeger( L, -2 ); - if ( !validTexture( texId ) ) { + // if ( !validTexture( texId ) ) { + if ( !validSourceTexture( texId ) ) { lua_pushboolean( L, false ); return 1; } - SetTextureWrap( *state->textures[ texId ], lua_tointeger( L, -1 ) ); + SetTextureWrap( *texturesGetSourceTexture( texId ), lua_tointeger( L, -1 ) ); + // SetTextureWrap( *state->textures[ texId ], lua_tointeger( L, -1 ) ); lua_pushboolean( L, true ); return 1; @@ -1371,12 +2214,63 @@ int ltexturesGetTextureSize( lua_State *L ) { size_t texId = lua_tointeger( L, -1 ); if ( !validSourceTexture( texId ) ) { + lua_pushnil( L ); + return 1; + } + Texture2D texture = *texturesGetSourceTexture( texId ); + uluaPushVector2( L, (Vector2){ texture.width, texture.height } ); + + return 1; +} + +/* +> mipmaps = RL_GetTextureMipmaps( Texture2D texture ) + +Get texture mipmaps. Mipmap levels, 1 by default + +- Failure return false +- Success return int +*/ +int ltexturesGetTextureMipmaps( lua_State *L ) { + if ( !lua_isnumber( L, -1 ) ) { + TraceLog( LOG_WARNING, "%s", "Bad call of function. RL_GetTextureMipmaps( Texture2D texture )" ); lua_pushboolean( L, false ); return 1; } + size_t texId = lua_tointeger( L, -1 ); + if ( !validImage( texId ) ) { + lua_pushboolean( L, false ); + return 1; + } Texture2D texture = *texturesGetSourceTexture( texId ); - uluaPushVector2( L, (Vector2){ texture.width, texture.height } ); + lua_pushinteger( L, texture.mipmaps ); + + return 1; +} + +/* +> format = RL_GetTextureFormat( Texture2D texture ) + +Get texture mipmaps. Mipmap levels, 1 by default + +- Failure return false +- Success return int +*/ +int ltexturesGetTextureFormat( lua_State *L ) { + if ( !lua_isnumber( L, -1 ) ) { + TraceLog( LOG_WARNING, "%s", "Bad call of function. RL_GetTextureFormat( Texture2D texture )" ); + lua_pushboolean( L, false ); + return 1; + } + size_t texId = lua_tointeger( L, -1 ); + + if ( !validImage( texId ) ) { + lua_pushboolean( L, false ); + return 1; + } + Texture2D texture = *texturesGetSourceTexture( texId ); + lua_pushinteger( L, texture.format ); return 1; } @@ -1596,7 +2490,8 @@ int ltexturesGetPixelColor( lua_State *L ) { lua_pop( L, 1 ); size_t texId = lua_tointeger( L, -2 ); - if ( !validTexture( texId ) ) { + // if ( !validTexture( texId ) ) { + if ( !validSourceTexture( texId ) ) { lua_pushboolean( L, false ); return 1; } |