feat ✨ added entities and components and added failing textcomponent

vendored/SDL3_ttf-3.2.2/include/SDL3_ttf/SDL_textengine.h

@@ -0,0 +1,181 @@
+/*
+  SDL_ttf:  A companion library to SDL for working with TrueType (tm) fonts
+  Copyright (C) 2001-2025 Sam Lantinga <slouken@libsdl.org>
+
+  This software is provided 'as-is', without any express or implied
+  warranty.  In no event will the authors be held liable for any damages
+  arising from the use of this software.
+
+  Permission is granted to anyone to use this software for any purpose,
+  including commercial applications, and to alter it and redistribute it
+  freely, subject to the following restrictions:
+
+  1. The origin of this software must not be misrepresented; you must not
+     claim that you wrote the original software. If you use this software
+     in a product, an acknowledgment in the product documentation would be
+     appreciated but is not required.
+  2. Altered source versions must be plainly marked as such, and must not be
+     misrepresented as being the original software.
+  3. This notice may not be removed or altered from any source distribution.
+*/
+
+
+/**
+ *  \file SDL_textengine.h
+ *
+ * Definitions for implementations of the TTF_TextEngine interface.
+ */
+#ifndef SDL_TTF_TEXTENGINE_H_
+#define SDL_TTF_TEXTENGINE_H_
+
+#include <SDL3/SDL.h>
+#include <SDL3_ttf/SDL_ttf.h>
+
+#include <SDL3/SDL_begin_code.h>
+
+/* Set up for C function definitions, even when using C++ */
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+/**
+ * A font atlas draw command.
+ *
+ * \since This enum is available since SDL_ttf 3.0.0.
+ */
+typedef enum TTF_DrawCommand
+{
+    TTF_DRAW_COMMAND_NOOP,
+    TTF_DRAW_COMMAND_FILL,
+    TTF_DRAW_COMMAND_COPY
+} TTF_DrawCommand;
+
+/**
+ * A filled rectangle draw operation.
+ *
+ * \since This struct is available since SDL_ttf 3.0.0.
+ *
+ * \sa TTF_DrawOperation
+ */
+typedef struct TTF_FillOperation
+{
+    TTF_DrawCommand cmd;    /**< TTF_DRAW_COMMAND_FILL */
+    SDL_Rect rect;          /**< The rectangle to fill, in pixels. The x coordinate is relative to the left side of the text area, going right, and the y coordinate is relative to the top side of the text area, going down. */
+} TTF_FillOperation;
+
+/**
+ * A texture copy draw operation.
+ *
+ * \since This struct is available since SDL_ttf 3.0.0.
+ *
+ * \sa TTF_DrawOperation
+ */
+typedef struct TTF_CopyOperation
+{
+    TTF_DrawCommand cmd;            /**< TTF_DRAW_COMMAND_COPY */
+    int text_offset;                /**< The offset in the text corresponding to this glyph.
+                                      There may be multiple glyphs with the same text offset
+                                      and the next text offset might be several Unicode codepoints
+                                      later. In this case the glyphs and codepoints are grouped
+                                      together and the group bounding box is the union of the dst
+                                      rectangles for the corresponding glyphs. */
+    TTF_Font *glyph_font;           /**< The font containing the glyph to be drawn, can be passed to TTF_GetGlyphImageForIndex() */
+    Uint32 glyph_index;             /**< The glyph index of the glyph to be drawn, can be passed to TTF_GetGlyphImageForIndex() */
+    SDL_Rect src;                   /**< The area within the glyph to be drawn */
+    SDL_Rect dst;                   /**< The drawing coordinates of the glyph, in pixels. The x coordinate is relative to the left side of the text area, going right, and the y coordinate is relative to the top side of the text area, going down. */
+    void *reserved;
+} TTF_CopyOperation;
+
+/**
+ * A text engine draw operation.
+ *
+ * \since This struct is available since SDL_ttf 3.0.0.
+ */
+typedef union TTF_DrawOperation
+{
+    TTF_DrawCommand cmd;
+    TTF_FillOperation fill;
+    TTF_CopyOperation copy;
+} TTF_DrawOperation;
+
+
+/* Private data in TTF_Text, to assist in text measurement and layout */
+typedef struct TTF_TextLayout TTF_TextLayout;
+
+
+/* Private data in TTF_Text, available to implementations */
+struct TTF_TextData
+{
+    TTF_Font *font;             /**< The font used by this text, read-only. */
+    SDL_FColor color;           /**< The color of the text, read-only. */
+
+    bool needs_layout_update;   /**< True if the layout needs to be updated */
+    TTF_TextLayout *layout;     /**< Cached layout information, read-only. */
+    int x;                      /**< The x offset of the upper left corner of this text, in pixels, read-only. */
+    int y;                      /**< The y offset of the upper left corner of this text, in pixels, read-only. */
+    int w;                      /**< The width of this text, in pixels, read-only. */
+    int h;                      /**< The height of this text, in pixels, read-only. */
+    int num_ops;                /**< The number of drawing operations to render this text, read-only. */
+    TTF_DrawOperation *ops;     /**< The drawing operations used to render this text, read-only. */
+    int num_clusters;           /**< The number of substrings representing clusters of glyphs in the string, read-only */
+    TTF_SubString *clusters;    /**< Substrings representing clusters of glyphs in the string, read-only */
+
+    SDL_PropertiesID props;     /**< Custom properties associated with this text, read-only. This field is created as-needed using TTF_GetTextProperties() and the properties may be then set and read normally */
+
+    bool needs_engine_update;   /**< True if the engine text needs to be updated */
+    TTF_TextEngine *engine;     /**< The engine used to render this text, read-only. */
+    void *engine_text;          /**< The implementation-specific representation of this text */
+};
+
+/**
+ * A text engine interface.
+ *
+ * This structure should be initialized using SDL_INIT_INTERFACE()
+ *
+ * \since This struct is available since SDL_ttf 3.0.0.
+ *
+ * \sa SDL_INIT_INTERFACE
+ */
+struct TTF_TextEngine
+{
+    Uint32 version;     /**< The version of this interface */
+
+    void *userdata;     /**< User data pointer passed to callbacks */
+
+    /* Create a text representation from draw instructions.
+     *
+     * All fields of `text` except `internal->engine_text` will already be filled out.
+     *
+     * This function should set the `internal->engine_text` field to a non-NULL value.
+     *
+     * \param userdata the userdata pointer in this interface.
+     * \param text the text object being created.
+     */
+    bool (SDLCALL *CreateText)(void *userdata, TTF_Text *text);
+
+    /**
+     * Destroy a text representation.
+     */
+    void (SDLCALL *DestroyText)(void *userdata, TTF_Text *text);
+
+};
+
+/* Check the size of TTF_TextEngine
+ *
+ * If this assert fails, either the compiler is padding to an unexpected size,
+ * or the interface has been updated and this should be updated to match and
+ * the code using this interface should be updated to handle the old version.
+ */
+SDL_COMPILE_TIME_ASSERT(TTF_TextEngine_SIZE,
+    (sizeof(void *) == 4 && sizeof(TTF_TextEngine) == 16) ||
+    (sizeof(void *) == 8 && sizeof(TTF_TextEngine) == 32));
+
+
+/* Ends C function definitions when using C++ */
+#ifdef __cplusplus
+}
+#endif
+#include <SDL3/SDL_close_code.h>
+
+#endif /* SDL_TTF_TEXTENGINE_H_ */
+