(defun load-texture (filename &key (min-filter GL_LINEAR) (mag-filter GL_LINEAR) static)
(let ((key (make-resource-texture :filename filename :min-filter min-filter :mag-filter mag-filter)))
(cond ((get-resource key) key)
- (t
- (progn-textures
- (multiple-value-bind
- (image real-w real-h) (load-image-for-texture filename)
- (cond (image
- (let ((width (surface-w image)) (height (surface-h image))
- (byteorder (if (= (SDL_ByteOrder) SDL_LIL_ENDIAN)
- (if (= (surface-format-BytesPerPixel image) 3) GL_BGR GL_BGRA)
- (if (= (surface-format-BytesPerPixel image) 3) GL_RGB GL_RGBA)))
- (texture (car (glGenTextures 1))))
- (glBindTexture GL_TEXTURE_2D texture)
- (glTexImage2D GL_TEXTURE_2D 0 3 width height 0 byteorder GL_UNSIGNED_BYTE (surface-pixels image))
- (glTexParameteri GL_TEXTURE_2D GL_TEXTURE_MIN_FILTER min-filter)
- (glTexParameteri GL_TEXTURE_2D GL_TEXTURE_MAG_FILTER mag-filter)
- (SDL_FreeSurface image)
- (set-resource key
- `(:id-texture ,texture :width ,real-w :height ,real-h)
- (lambda () (load-texture filename :min-filter min-filter :mag-filter mag-filter :static static))
- (lambda () (glDeleteTextures 1 `(,texture)))
- :static static)
- key)))))))))
+ (t (true-load-texture filename min-filter mag-filter static)))))
+
+(defun true-load-texture (filename min-filter mag-filter static)
+ (let ((key (make-resource-texture :filename filename :min-filter min-filter :mag-filter mag-filter)))
+ (progn-textures
+ (multiple-value-bind
+ (image real-w real-h) (load-image-for-texture filename)
+ (cond (image
+ (let ((width (surface-w image)) (height (surface-h image))
+ (byteorder (if (= (SDL_ByteOrder) SDL_LIL_ENDIAN)
+ (if (= (surface-format-BytesPerPixel image) 3) GL_BGR GL_BGRA)
+ (if (= (surface-format-BytesPerPixel image) 3) GL_RGB GL_RGBA)))
+ (texture (car (glGenTextures 1))))
+ (glBindTexture GL_TEXTURE_2D texture)
+ (glTexImage2D GL_TEXTURE_2D 0 3 width height 0 byteorder GL_UNSIGNED_BYTE (surface-pixels image))
+ (glTexParameteri GL_TEXTURE_2D GL_TEXTURE_MIN_FILTER min-filter)
+ (glTexParameteri GL_TEXTURE_2D GL_TEXTURE_MAG_FILTER mag-filter)
+ (SDL_FreeSurface image)
+ (set-resource key
+ `(:id-texture ,texture :width ,real-w :height ,real-h)
+ (lambda () (true-load-texture filename min-filter mag-filter static))
+ (lambda () (glDeleteTextures 1 `(,texture)))
+ :static static)
+ key)))))))
(defun draw-image-function (filename)
(multiple-value-bind
(in-package :gacela)
-(defun open-font (font-file &key (size 80) (encoding ft_encoding_unicode) static)
+(defun load-font (font-file &key (size 80) (encoding ft_encoding_unicode) static)
(let ((key (make-resource-font :filename font-file :size size :encoding encoding)))
(cond ((get-resource key) key)
- (t
- (let ((font (ftglCreateTextureFont font-file)))
- (cond ((/= font 0)
- (ftglSetFontFaceSize font size 72)
- (ftglSetFontCharMap font encoding)
- (set-resource key
- `(:id-font ,font)
- (lambda () (open-font font-file :size size :encoding encoding :static static))
- (lambda () (ftglDestroyFont font))
- :static static)
- key)))))))
+ (t (true-load-font font-file size encoding static)))))
+
+(defun true-load-font (font-file size encoding static)
+ (let ((key (make-resource-font :filename font-file :size size :encoding encoding))
+ (font (ftglCreateTextureFont font-file)))
+ (cond ((/= font 0)
+ (ftglSetFontFaceSize font size 72)
+ (ftglSetFontCharMap font encoding)
+ (set-resource key
+ `(:id-font ,font)
+ (lambda () (true-load-font font-file size encoding static))
+ (lambda () (ftglDestroyFont font))
+ :static static)
+ key))))
(defun render-text (text font)
(ftglRenderFont (getf font :id-font) text FTGL_RENDER_ALL))