167 lines
7.3 KiB
C
167 lines
7.3 KiB
C
/************************************************************/ /**
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*
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* @file: cheatsheet_graphics.h
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* @author: Martin Fouilleul
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* @date: 05/09/2023
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*
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*****************************************************************/
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//------------------------------------------------------------------------------------------
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// graphics surface
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//------------------------------------------------------------------------------------------
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oc_surface oc_surface_nil(void);
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bool oc_surface_is_nil(oc_surface surface);
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oc_surface oc_surface_canvas();
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oc_surface oc_surface_gles();
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void oc_surface_destroy(oc_surface surface);
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void oc_surface_select(oc_surface surface);
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void oc_surface_deselect(void);
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void oc_surface_present(oc_surface surface);
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oc_vec2 oc_surface_get_size(oc_surface surface);
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oc_vec2 oc_surface_contents_scaling(oc_surface surface);
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void oc_surface_bring_to_front(oc_surface surface);
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void oc_surface_send_to_back(oc_surface surface);
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//------------------------------------------------------------------------------------------
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// 2D canvas command buffer
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//------------------------------------------------------------------------------------------
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oc_canvas oc_canvas_nil(void);
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bool oc_canvas_is_nil(oc_canvas canvas);
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oc_canvas oc_canvas_create(void);
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void oc_canvas_destroy(oc_canvas canvas);
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oc_canvas oc_canvas_set_current(oc_canvas canvas);
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void oc_render(oc_canvas canvas);
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//------------------------------------------------------------------------------------------
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// transform and clipping
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//------------------------------------------------------------------------------------------
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void oc_matrix_push(oc_mat2x3 matrix);
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void oc_matrix_multiply_push(oc_mat2x3 matrix);
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void oc_matrix_pop(void);
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oc_mat2x3 oc_matrix_top();
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void oc_clip_push(f32 x, f32 y, f32 w, f32 h);
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void oc_clip_pop(void);
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oc_rect oc_clip_top();
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//------------------------------------------------------------------------------------------
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// graphics attributes setting/getting
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//------------------------------------------------------------------------------------------
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void oc_set_color(oc_color color);
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void oc_set_color_rgba(f32 r, f32 g, f32 b, f32 a);
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void oc_set_width(f32 width);
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void oc_set_tolerance(f32 tolerance);
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void oc_set_joint(oc_joint_type joint);
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void oc_set_max_joint_excursion(f32 maxJointExcursion);
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void oc_set_cap(oc_cap_type cap);
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void oc_set_font(oc_font font);
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void oc_set_font_size(f32 size);
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void oc_set_text_flip(bool flip);
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void oc_set_image(oc_image image);
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void oc_set_image_source_region(oc_rect region);
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oc_color oc_get_color(void);
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f32 oc_get_width(void);
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f32 oc_get_tolerance(void);
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oc_joint_type oc_get_joint(void);
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f32 oc_get_max_joint_excursion(void);
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oc_cap_type oc_get_cap(void);
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oc_font oc_get_font(void);
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f32 oc_get_font_size(void);
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bool oc_get_text_flip(void);
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oc_image oc_get_image();
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//------------------------------------------------------------------------------------------
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// path construction
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//------------------------------------------------------------------------------------------
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oc_vec2 oc_get_position(void);
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void oc_move_to(f32 x, f32 y);
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void oc_line_to(f32 x, f32 y);
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void oc_quadratic_to(f32 x1, f32 y1, f32 x2, f32 y2);
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void oc_cubic_to(f32 x1, f32 y1, f32 x2, f32 y2, f32 x3, f32 y3);
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void oc_close_path(void);
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oc_rect oc_glyph_outlines(oc_str32 glyphIndices);
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void oc_codepoints_outlines(oc_str32 string);
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void oc_text_outlines(oc_str8 string);
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//------------------------------------------------------------------------------------------
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// clear/fill/stroke
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//------------------------------------------------------------------------------------------
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void oc_clear(void);
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void oc_fill(void);
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void oc_stroke(void);
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//------------------------------------------------------------------------------------------
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// shapes helpers
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//------------------------------------------------------------------------------------------
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void oc_rectangle_fill(f32 x, f32 y, f32 w, f32 h);
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void oc_rectangle_stroke(f32 x, f32 y, f32 w, f32 h);
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void oc_rounded_rectangle_fill(f32 x, f32 y, f32 w, f32 h, f32 r);
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void oc_rounded_rectangle_stroke(f32 x, f32 y, f32 w, f32 h, f32 r);
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void oc_ellipse_fill(f32 x, f32 y, f32 rx, f32 ry);
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void oc_ellipse_stroke(f32 x, f32 y, f32 rx, f32 ry);
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void oc_circle_fill(f32 x, f32 y, f32 r);
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void oc_circle_stroke(f32 x, f32 y, f32 r);
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void oc_arc(f32 x, f32 y, f32 r, f32 arcAngle, f32 startAngle);
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void oc_image_draw(oc_image image, oc_rect rect);
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void oc_image_draw_region(oc_image image, oc_rect srcRegion, oc_rect dstRegion);
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//------------------------------------------------------------------------------------------
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// fonts
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//------------------------------------------------------------------------------------------
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oc_font oc_font_nil(void);
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bool oc_font_is_nil(oc_font font);
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oc_font oc_font_create_from_memory(oc_str8 mem, u32 rangeCount, oc_unicode_range* ranges);
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oc_font oc_font_create_from_file(oc_file file, u32 rangeCount, oc_unicode_range* ranges);
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oc_font oc_font_create_from_path(oc_str8 path, u32 rangeCount, oc_unicode_range* ranges);
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void oc_font_destroy(oc_font font);
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oc_str32 oc_font_get_glyph_indices(oc_font font, oc_str32 codePoints, oc_str32 backing);
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oc_str32 oc_font_push_glyph_indices(oc_arena* arena, oc_font font, oc_str32 codePoints);
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u32 oc_font_get_glyph_index(oc_font font, oc_utf32 codePoint);
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oc_font_metrics oc_font_get_metrics(oc_font font, f32 emSize);
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oc_font_metrics oc_font_get_metrics_unscaled(oc_font font);
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f32 oc_font_get_scale_for_em_pixels(oc_font font, f32 emSize);
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oc_text_metrics oc_font_text_metrics_utf32(oc_font font, f32 fontSize, oc_str32 codepoints);
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oc_text_metrics oc_font_text_metrics(oc_font font, f32 fontSize, oc_str8 text);
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//------------------------------------------------------------------------------------------
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// images
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//------------------------------------------------------------------------------------------
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oc_image oc_image_nil(void);
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bool oc_image_is_nil(oc_image a);
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oc_image oc_image_create(oc_surface surface, u32 width, u32 height);
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oc_image oc_image_create_from_rgba8(oc_surface surface, u32 width, u32 height, u8* pixels);
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oc_image oc_image_create_from_memory(oc_surface surface, oc_str8 mem, bool flip);
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oc_image oc_image_create_from_file(oc_surface surface, oc_file file, bool flip);
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oc_image oc_image_create_from_path(oc_surface surface, oc_str8 path, bool flip);
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void oc_image_destroy(oc_image image);
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void oc_image_upload_region_rgba8(oc_image image, oc_rect region, u8* pixels);
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oc_vec2 oc_image_size(oc_image image);
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//------------------------------------------------------------------------------------------
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// image atlas
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//------------------------------------------------------------------------------------------
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oc_rect_atlas* oc_rect_atlas_create(oc_arena* arena, i32 width, i32 height);
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oc_rect oc_rect_atlas_alloc(oc_rect_atlas* atlas, i32 width, i32 height);
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void oc_rect_atlas_recycle(oc_rect_atlas* atlas, oc_rect rect);
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oc_image_region oc_image_atlas_alloc_from_rgba8(oc_rect_atlas* atlas, oc_image backingImage, u32 width, u32 height, u8* pixels);
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oc_image_region oc_image_atlas_alloc_from_memory(oc_rect_atlas* atlas, oc_image backingImage, oc_str8 mem, bool flip);
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oc_image_region oc_image_atlas_alloc_from_file(oc_rect_atlas* atlas, oc_image backingImage, oc_file file, bool flip);
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oc_image_region oc_image_atlas_alloc_from_path(oc_rect_atlas* atlas, oc_image backingImage, oc_str8 path, bool flip);
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void oc_image_atlas_recycle(oc_rect_atlas* atlas, oc_image_region imageRgn);
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