ascension: src/ascension/ui/font.h@9c44c55d327a

consistently refer to windows by ID - fixes #381

This change discovered that the font cache is completely broken. We created issue #387 for this.

     1 /*

     2  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS HEADER.

     3  * Copyright 2023 Mike Becker. All rights reserved.

     4  *

     5  * Redistribution and use in source and binary forms, with or without

     6  * modification, are permitted provided that the following conditions are met:

     7  *

     8  *   1. Redistributions of source code must retain the above copyright

     9  *      notice, this list of conditions and the following disclaimer.

    10  *

    11  *   2. Redistributions in binary form must reproduce the above copyright

    12  *      notice, this list of conditions and the following disclaimer in the

    13  *      documentation and/or other materials provided with the distribution.

    14  *

    15  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"

    16  * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE

    17  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE

    18  * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE

    19  * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR

    20  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF

    21  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS

    22  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN

    23  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)

    24  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE

    25  * POSSIBILITY OF SUCH DAMAGE.

    26  */

    28 #ifndef ASCENSION_FONT_H

    29 #define ASCENSION_FONT_H

    31 #include <SDL2/SDL_ttf.h>

    33 #ifndef ASC_MAX_FONTS

    34 /** The maximum number of style/size combinations that can be loaded in parallel. */

    35 #define ASC_MAX_FONTS 64u

    36 #endif // ASC_MAX_FONTS

    38 enum AscFontStyle {

    39     ASC_FONT_REGULAR,

    40     ASC_FONT_BOLD,

    41     ASC_FONT_ITALIC,

    42     ASC_FONT_BOLD_ITALIC,

    43 };

    45 typedef struct AscFont {

    46     /**

    47      * Style of the font.

    48      */

    49     enum AscFontStyle style;

    50     /**

    51      * Point size.

    52      */

    53     int size;

    54     /**

    55      * TODO: remove from public struct

    56      * Pointer to the SDL TTF font structure.

    57      */

    58     TTF_Font *ptr;

    59 } AscFont;

    61 /**

    62  * Activates a font with the given style and size.

    63  *

    64  * The font is cached and activated faster the next time you call this

    65  * function with the same arguments. However, when you reach the maximum

    66  * number of fonts, the cache is completely cleared and rebuilt.

    67  *

    68  * That means in general, that you should not be using too many fonts of

    69  * different sizes at the same time.

    70  *

    71  * @param style the style

    72  * @param size the point size

    73  */

    74 void asc_font(enum AscFontStyle style, int size);

    76 #endif //ASCENSION_FONT_H

Mercurial > hg > ascension / file revision