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Added rectangle gradients, triangles, updated sf2dlib

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Gradients are done with additional parameters to gfx.rectangle, so old code that gave the function too many parameters and expected them to be ignored may break.
This commit is contained in:
Reuh 2016-06-27 15:29:55 +02:00
parent 4a2c1a7c68
commit b47971bfca
6 changed files with 280 additions and 113 deletions
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45
libs/sf2dlib/libsf2d/include/sf2d.h
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@ -67,6 +67,14 @@ typedef enum {
TEXFMT_ETC1A4 = 13
} sf2d_texfmt;
/**
* @brief Represents a direction for drawing a gradient
*/
typedef enum {
SF2D_TOP_TO_BOTTOM,
SF2D_LEFT_TO_RIGHT
} sf2d_gradient_dir;
/**
* @brief Data allocated on the RAM or VRAM
@ -264,6 +272,18 @@ void sf2d_set_clear_color(u32 color);
*/
void sf2d_draw_rectangle(int x, int y, int w, int h, u32 color);
/**
* @brief Draws a triangle
* @param x1 x coordinate of a vertex of the triangle
* @param y1 y coordinate of a vertex of the triangle
* @param x2 x coordinate of a vertex of the triangle
* @param y2 y coordinate of a vertex of the triangle
* @param x3 x coordinate of a vertex of the triangle
* @param y3 y coordinate of a vertex of the triangle
* @param color the color to draw the triangle
*/
void sf2d_draw_triangle(float x1, float y1, float x2, float y2, float x3, float y3, u32 color);
/**
* @brief Draws a rotated rectangle
* @param x x coordinate of the top left corner of the rectangle
@ -275,6 +295,31 @@ void sf2d_draw_rectangle(int x, int y, int w, int h, u32 color);
*/
void sf2d_draw_rectangle_rotate(int x, int y, int w, int h, u32 color, float rad);
/**
* @brief Draws a rectangle
* @param x x coordinate of the top left corner of the rectangle
* @param y y coordinate of the top left corner of the rectangle
* @param w rectangle width
* @param h rectangle height
* @param color1 the color at the start of the gradient
* @param color2 the color at the end of the gradient
* @param left_to_right determines which direction the gradient is in
*/
void sf2d_draw_rectangle_gradient(int x, int y, int w, int h, u32 color1, u32 color2, sf2d_gradient_dir direction);
/**
* @brief Draws a rotated rectangle
* @param x x coordinate of the top left corner of the rectangle
* @param y y coordinate of the top left corner of the rectangle
* @param w rectangle width
* @param h rectangle height
* @param color1 the color at the start of the gradient
* @param color2 the color at the end of the gradient
* @param left_to_right determines which direction the gradient is in
* @param rad rotation (in radians) to draw the rectangle
*/
void sf2d_draw_rectangle_gradient_rotate(int x, int y, int w, int h, u32 color1, u32 color2, sf2d_gradient_dir direction, float rad);
/**
* @brief Draws a filled circle
* @param x x coordinate of the center of the circle