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add more low level drawing functions

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Adolfo Reyna
2026-01-13 10:55:21 -05:00
parent 55475d10ec
commit 5e0fe7c6d9
4 changed files with 77 additions and 2 deletions
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13
low_level_render.h
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@@ -33,9 +33,12 @@ private:
int V_WIDTH;
int V_HEIGHT;
const unsigned char (*current_font)[96][6];
bool clipping_enabled;
int clip_x, clip_y, clip_width, clip_height;
void draw_corner_arc(int center_x, int center_y, int radius, int quadrant, bool on);
void fill_bottom_flat_triangle(int x1, int y1, int x2, int y2, int x3, int y3, bool on);
void fill_top_flat_triangle(int x1, int y1, int x2, int y2, int x3, int y3, bool on);
bool is_point_in_clip_rect(int x, int y);
public:
LowLevelRenderer(uint8_t* buffer, int width, int height);
@@ -56,6 +59,16 @@ public:
void draw_polygon(const std::vector<std::pair<int, int>>& points, bool on);
void draw_filled_polygon(const std::vector<std::pair<int, int>>& points, bool on);
void draw_arc(int center_x, int center_y, int radius, int start_angle, int end_angle, bool on);
// Clipping functions
void set_clip_rect(int x, int y, int width, int height);
void reset_clip_rect();
bool is_clipping_enabled() const;
// Buffer operations
void invert_buffer();
void clear_buffer();
void draw_circle(int x, int y, int radius, bool on);
void draw_filled_circle(int x, int y, int radius, bool on);
void draw_char_vcol(int x, int y, char c);