forked from enlightenment/efl
718 lines
17 KiB
C
718 lines
17 KiB
C
#include "evas_common_private.h"
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#include "evas_convert_main.h"
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#include "evas_private.h"
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EAPI Cutout_Rects *
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evas_common_draw_context_cutouts_new(void)
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{
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Cutout_Rects *rects;
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rects = calloc(1, sizeof(Cutout_Rects));
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return rects;
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}
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static void
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evas_common_draw_context_cutouts_dup(Cutout_Rects *rects2, const Cutout_Rects *rects)
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{
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if (!rects) return;
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rects2->active = rects->active;
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rects2->max = rects->max;
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rects2->last_add = rects->last_add;
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if (rects->max > 0)
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{
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const size_t sz = sizeof(Cutout_Rect) * rects->max;
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rects2->rects = malloc(sz);
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memcpy(rects2->rects, rects->rects, sz);
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}
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}
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EAPI void
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evas_common_draw_context_cutouts_free(Cutout_Rects* rects)
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{
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if (!rects) return;
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rects->active = 0;
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rects->last_add.w = 0;
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}
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EAPI void
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evas_common_draw_context_cutouts_del(Cutout_Rects* rects, int idx)
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{
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if ((idx >= 0) && (idx < rects->active))
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{
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Cutout_Rect *rect;
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rect = rects->rects + idx;
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memmove(rect, rect + 1,
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sizeof(Cutout_Rect) * (rects->active - idx - 1));
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rects->active--;
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rects->last_add.w = 0;
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}
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}
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static int _init_count = 0;
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EAPI void
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evas_common_init(void)
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{
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if (_init_count++) return ;
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evas_common_cpu_init();
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evas_common_blend_init();
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evas_common_image_init();
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evas_common_convert_init();
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evas_common_scale_init();
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evas_common_scale_sample_init();
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evas_common_rectangle_init();
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evas_common_polygon_init();
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evas_common_line_init();
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evas_common_font_init();
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evas_common_draw_init();
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evas_common_tilebuf_init();
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}
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EAPI void
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evas_common_shutdown(void)
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{
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if (--_init_count) return ;
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evas_font_dir_cache_free();
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evas_common_font_shutdown();
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evas_common_image_shutdown();
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evas_common_image_cache_free();
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evas_common_scale_sample_shutdown();
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}
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EAPI void
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evas_common_draw_init(void)
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{
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}
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EAPI RGBA_Draw_Context *
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evas_common_draw_context_new(void)
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{
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RGBA_Draw_Context *dc;
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dc = calloc(1, sizeof(RGBA_Draw_Context));
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dc->sli.h = 1;
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return dc;
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}
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EAPI RGBA_Draw_Context *
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evas_common_draw_context_dup(RGBA_Draw_Context *dc)
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{
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RGBA_Draw_Context *dc2;
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if (!dc) return evas_common_draw_context_new();
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dc2 = malloc(sizeof(RGBA_Draw_Context));
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memcpy(dc2, dc, sizeof(RGBA_Draw_Context));
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evas_common_draw_context_cutouts_dup(&dc2->cutout, &dc->cutout);
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return dc2;
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}
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EAPI void
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evas_common_draw_context_free(RGBA_Draw_Context *dc)
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{
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if (!dc) return;
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#ifdef HAVE_PIXMAN
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#if defined(PIXMAN_FONT) || defined(PIXMAN_RECT) || defined(PIXMAN_LINE) || defined(PIXMAN_POLY)
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if (dc->col.pixman_color_image)
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{
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pixman_image_unref(dc->col.pixman_color_image);
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dc->col.pixman_color_image = NULL;
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}
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#endif
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#endif
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evas_common_draw_context_apply_clean_cutouts(&dc->cutout);
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free(dc);
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}
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EAPI void
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evas_common_draw_context_clear_cutouts(RGBA_Draw_Context *dc)
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{
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evas_common_draw_context_cutouts_free(&dc->cutout);
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}
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EAPI void
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evas_common_draw_context_font_ext_set(RGBA_Draw_Context *dc,
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void *data,
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void *(*gl_new) (void *data, RGBA_Font_Glyph *fg),
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void (*gl_free) (void *ext_dat),
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void (*gl_draw) (void *data, void *dest, void *context, RGBA_Font_Glyph *fg, int x, int y),
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void *(*gl_image_new_from_data) (void *gc, unsigned int w, unsigned int h, DATA32 *image_data, int alpha, Evas_Colorspace cspace),
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void (*gl_image_free) (void *image),
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void (*gl_image_draw) (void *gc, void *im, int sx, int sy, int sw, int sh, int dx, int dy, int dw, int dh, int smooth))
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{
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dc->font_ext.data = data;
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dc->font_ext.func.gl_new = gl_new;
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dc->font_ext.func.gl_free = gl_free;
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dc->font_ext.func.gl_draw = gl_draw;
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dc->font_ext.func.gl_image_new_from_data = gl_image_new_from_data;
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dc->font_ext.func.gl_image_free = gl_image_free;
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dc->font_ext.func.gl_image_draw = gl_image_draw;
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}
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EAPI void
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evas_common_draw_context_clip_clip(RGBA_Draw_Context *dc, int x, int y, int w, int h)
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{
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if (dc->clip.use)
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{
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RECTS_CLIP_TO_RECT(dc->clip.x, dc->clip.y, dc->clip.w, dc->clip.h,
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x, y, w, h);
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}
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else
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evas_common_draw_context_set_clip(dc, x, y, w, h);
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}
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EAPI void
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evas_common_draw_context_set_clip(RGBA_Draw_Context *dc, int x, int y, int w, int h)
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{
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dc->clip.use = 1;
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dc->clip.x = x;
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dc->clip.y = y;
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dc->clip.w = w;
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dc->clip.h = h;
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}
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EAPI void
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evas_common_draw_context_unset_clip(RGBA_Draw_Context *dc)
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{
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dc->clip.use = 0;
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}
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EAPI void
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evas_common_draw_context_set_color(RGBA_Draw_Context *dc, int r, int g, int b, int a)
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{
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R_VAL(&(dc->col.col)) = (DATA8)r;
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G_VAL(&(dc->col.col)) = (DATA8)g;
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B_VAL(&(dc->col.col)) = (DATA8)b;
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A_VAL(&(dc->col.col)) = (DATA8)a;
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#ifdef HAVE_PIXMAN
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#if defined(PIXMAN_FONT) || defined(PIXMAN_RECT) || defined(PIXMAN_LINE) || defined(PIXMAN_POLY)
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if (dc->col.pixman_color_image)
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pixman_image_unref(dc->col.pixman_color_image);
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pixman_color_t pixman_color;
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pixman_color.alpha = (dc->col.col & 0xff000000) >> 16;
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pixman_color.red = (dc->col.col & 0x00ff0000) >> 8;
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pixman_color.green = (dc->col.col & 0x0000ff00);
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pixman_color.blue = (dc->col.col & 0x000000ff) << 8;
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dc->col.pixman_color_image = pixman_image_create_solid_fill(&pixman_color);
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#endif
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#endif
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}
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EAPI void
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evas_common_draw_context_set_multiplier(RGBA_Draw_Context *dc, int r, int g, int b, int a)
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{
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dc->mul.use = 1;
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R_VAL(&(dc->mul.col)) = (DATA8)r;
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G_VAL(&(dc->mul.col)) = (DATA8)g;
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B_VAL(&(dc->mul.col)) = (DATA8)b;
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A_VAL(&(dc->mul.col)) = (DATA8)a;
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}
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EAPI void
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evas_common_draw_context_unset_multiplier(RGBA_Draw_Context *dc)
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{
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dc->mul.use = 0;
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}
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EAPI void
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evas_common_draw_context_add_cutout(RGBA_Draw_Context *dc, int x, int y, int w, int h)
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{
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// if (dc->cutout.rects > 512) return;
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if (dc->clip.use)
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{
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#if 1 // this is a bit faster
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int x1, x2, y1, y2;
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int cx1, cx2, cy1, cy2;
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x2 = x + w;
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cx1 = dc->clip.x;
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if (x2 <= cx1) return;
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x1 = x;
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cx2 = cx1 + dc->clip.w;
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if (x1 >= cx2) return;
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if (x1 < cx1) x1 = cx1;
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if (x2 > cx2) x2 = cx2;
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y2 = y + h;
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cy1 = dc->clip.y;
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if (y2 <= cy1) return;
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y1 = y;
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cy2 = cy1 + dc->clip.h;
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if (y1 >= cy2) return;
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if (y1 < cy1) y1 = cy1;
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if (y2 > cy2) y2 = cy2;
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x = x1;
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y = y1;
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w = x2 - x1;
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h = y2 - y1;
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#else
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RECTS_CLIP_TO_RECT(x, y, w, h,
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dc->clip.x, dc->clip.y, dc->clip.w, dc->clip.h);
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#endif
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}
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if ((w * h) <= (8 * 8)) return;
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if (dc->cutout.last_add.w > 0)
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{
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if ((dc->cutout.last_add.x == x) && (dc->cutout.last_add.y == y) &&
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(dc->cutout.last_add.w == w) && (dc->cutout.last_add.h == h)) return;
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}
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dc->cutout.last_add.x = x;
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dc->cutout.last_add.y = y;
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dc->cutout.last_add.w = w;
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dc->cutout.last_add.h = h;
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evas_common_draw_context_cutouts_add(&dc->cutout, x, y, w, h);
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}
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static int
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evas_common_draw_context_cutout_split(Cutout_Rects *res, int idx, Cutout_Rect *split)
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{
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/* 1 input rect, multiple out */
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Cutout_Rect in = res->rects[idx];
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/* this is to save me a LOT of typing */
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#define INX1 (in.x)
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#define INX2 (in.x + in.w)
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#define SPX1 (split->x)
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#define SPX2 (split->x + split->w)
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#define INY1 (in.y)
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#define INY2 (in.y + in.h)
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#define SPY1 (split->y)
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#define SPY2 (split->y + split->h)
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#define X1_IN (in.x < split->x)
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#define X2_IN ((in.x + in.w) > (split->x + split->w))
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#define Y1_IN (in.y < split->y)
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#define Y2_IN ((in.y + in.h) > (split->y + split->h))
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#define R_NEW(_r, _x, _y, _w, _h) { evas_common_draw_context_cutouts_add(_r, _x, _y, _w, _h); }
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if (!RECTS_INTERSECT(in.x, in.y, in.w, in.h,
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split->x, split->y, split->w, split->h))
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{
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/* No colision => no clipping, don't touch it. */
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return 1;
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}
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/* S = split (ie cut out rect) */
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/* +--+ = in (rect to be cut) */
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/*
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* +---+
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* | |
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* | S |
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* | |
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* +---+
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*
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*/
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if (X1_IN && X2_IN && Y1_IN && Y2_IN)
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{
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R_NEW(res, in.x, in.y, in.w, SPY1 - in.y);
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R_NEW(res, in.x, SPY1, SPX1 - in.x, SPY2 - SPY1);
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R_NEW(res, SPX2, SPY1, INX2 - SPX2, SPY2 - SPY1);
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/* out => (in.x, SPY2, in.w, INY2 - SPY2) */
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res->rects[idx].h = INY2 - SPY2;
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res->rects[idx].y = SPY2;
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return 1;
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}
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/* SSSSSSS
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* S+---+S
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* S|SSS|S
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* S|SSS|S
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* S|SSS|S
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* S+---+S
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* SSSSSSS
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*/
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if (!X1_IN && !X2_IN && !Y1_IN && !Y2_IN)
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{
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evas_common_draw_context_cutouts_del(res, idx);
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return 0;
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}
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/* SSS
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* S+---+
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* S|S |
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* S|S |
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* S|S |
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* S+---+
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* SSS
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*/
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if (!X1_IN && X2_IN && !Y1_IN && !Y2_IN)
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{
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/* in => (SPX2, in.y, INX2 - SPX2, in.h) */
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res->rects[idx].w = INX2 - SPX2;
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res->rects[idx].x = SPX2;
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return 1;
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}
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/* S
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* +---+
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* | S |
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* | S |
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* | S |
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* +---+
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* S
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*/
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if (X1_IN && X2_IN && !Y1_IN && !Y2_IN)
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{
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R_NEW(res, in.x, in.y, SPX1 - in.x, in.h);
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/* in => (SPX2, in.y, INX2 - SPX2, in.h) */
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res->rects[idx].w = INX2 - SPX2;
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res->rects[idx].x = SPX2;
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return 1;
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}
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/* SSS
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* +---+S
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* | S|S
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* | S|S
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* | S|S
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* +---+S
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* SSS
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*/
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if (X1_IN && !X2_IN && !Y1_IN && !Y2_IN)
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{
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/* in => (in.x, in.y, SPX1 - in.x, in.h) */
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res->rects[idx].w = SPX1 - in.x;
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return 1;
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}
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/* SSSSSSS
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* S+---+S
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* S|SSS|S
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* | |
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* | |
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* +---+
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*
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*/
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if (!X1_IN && !X2_IN && !Y1_IN && Y2_IN)
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{
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/* in => (in.x, SPY2, in.w, INY2 - SPY2) */
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res->rects[idx].h = INY2 - SPY2;
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res->rects[idx].y = SPY2;
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return 1;
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}
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/*
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* +---+
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* | |
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* S|SSS|S
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* | |
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* +---+
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*
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*/
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if (!X1_IN && !X2_IN && Y1_IN && Y2_IN)
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{
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R_NEW(res, in.x, SPY2, in.w, INY2 - SPY2);
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/* in => (in.x, in.y, in.w, SPY1 - in.y) */
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res->rects[idx].h = SPY1 - in.y;
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return 1;
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}
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/*
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* +---+
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* | |
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* | |
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* S|SSS|S
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* S+---+S
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* SSSSSSS
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*/
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if (!X1_IN && !X2_IN && Y1_IN && !Y2_IN)
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{
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/* in => (in.x, in.y, in.w, SPY1 - in.y) */
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res->rects[idx].h = SPY1 - in.y;
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return 1;
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}
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/* SSS
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* S+---+
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* S|S |
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* | |
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* | |
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* +---+
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*
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*/
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if (!X1_IN && X2_IN && !Y1_IN && Y2_IN)
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{
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R_NEW(res, SPX2, in.y, INX2 - SPX2, SPY2 - in.y);
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/* in => (in.x, SPY2, in.w, INY2 - SPY2) */
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res->rects[idx].h = INY2 - SPY2;
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res->rects[idx].y = SPY2;
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return 1;
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}
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/* S
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* +---+
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* | S |
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* | |
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* | |
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* +---+
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*
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*/
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if (X1_IN && X2_IN && !Y1_IN && Y2_IN)
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{
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R_NEW(res, in.x, in.y, SPX1 - in.x, SPY2 - in.y);
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R_NEW(res, SPX2, in.y, INX2 - SPX2, SPY2 - in.y);
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/* in => (in.x, SPY2, in.w, INY2 - SPY2) */
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res->rects[idx].h = INY2 - SPY2;
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res->rects[idx].y = SPY2;
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return 1;
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}
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/* SSS
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* +---+S
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* | S|S
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* | |
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* | |
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* +---+
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*
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*/
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if (X1_IN && !X2_IN && !Y1_IN && Y2_IN)
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{
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R_NEW(res, in.x, in.y, SPX1 - in.x, SPY2 - in.y);
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/* in => (in.x, SPY2, in.w, INY2 - SPY2) */
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res->rects[idx].h = INY2 - SPY2;
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res->rects[idx].y = SPY2;
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return 1;
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}
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/*
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* +---+
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* | |
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* S|S |
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* | |
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* +---+
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*
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*/
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if (!X1_IN && X2_IN && Y1_IN && Y2_IN)
|
|
{
|
|
R_NEW(res, in.x, SPY2, in.w, INY2 - SPY2);
|
|
R_NEW(res, SPX2, SPY1, INX2 - SPX2, SPY2 - SPY1);
|
|
/* in => (in.x, SPY2, in.w, INY2 - SPY2) */
|
|
res->rects[idx].h = SPY1 - in.y;
|
|
return 1;
|
|
}
|
|
/*
|
|
* +---+
|
|
* | |
|
|
* | S|S
|
|
* | |
|
|
* +---+
|
|
*
|
|
*/
|
|
if (X1_IN && !X2_IN && Y1_IN && Y2_IN)
|
|
{
|
|
R_NEW(res, in.x, SPY2, in.w, INY2 - SPY2);
|
|
R_NEW(res, in.x, SPY1, SPX1 - in.x, SPY2 - SPY1);
|
|
/* in => (in.x, in.y, in.w, SPY1 - in.y) */
|
|
res->rects[idx].h = SPY1 - in.y;
|
|
return 1;
|
|
}
|
|
/*
|
|
* +---+
|
|
* | |
|
|
* | |
|
|
* S|S |
|
|
* S+---+
|
|
* SSS
|
|
*/
|
|
if (!X1_IN && X2_IN && Y1_IN && !Y2_IN)
|
|
{
|
|
R_NEW(res, SPX2, SPY1, INX2 - SPX2, INY2 - SPY1);
|
|
/* in => (in.x, in.y, in.w, SPY1 - in.y) */
|
|
res->rects[idx].h = SPY1 - in.y;
|
|
return 1;
|
|
}
|
|
/*
|
|
* +---+
|
|
* | |
|
|
* | |
|
|
* | S |
|
|
* +---+
|
|
* S
|
|
*/
|
|
if (X1_IN && X2_IN && Y1_IN && !Y2_IN)
|
|
{
|
|
R_NEW(res, in.x, SPY1, SPX1 - in.x, INY2 - SPY1);
|
|
R_NEW(res, SPX2, SPY1, INX2 - SPX2, INY2 - SPY1);
|
|
/* in => (in.x, in.y, in.w, SPY1 - in.y) */
|
|
res->rects[idx].h = SPY1 - in.y;
|
|
return 1;
|
|
}
|
|
/*
|
|
* +---+
|
|
* | |
|
|
* | |
|
|
* | S|S
|
|
* +---+S
|
|
* SSS
|
|
*/
|
|
if (X1_IN && !X2_IN && Y1_IN && !Y2_IN)
|
|
{
|
|
R_NEW(res, in.x, SPY1, SPX1 - in.x, INY2 - SPY1);
|
|
/* in => (in.x, in.y, in.w, SPY1 - in.y) */
|
|
res->rects[idx].h = SPY1 - in.y;
|
|
return 1;
|
|
}
|
|
evas_common_draw_context_cutouts_del(res, idx);
|
|
return 0;
|
|
#undef INX1
|
|
#undef INX2
|
|
#undef SPX1
|
|
#undef SPX2
|
|
#undef INY1
|
|
#undef INY2
|
|
#undef SPY1
|
|
#undef SPY2
|
|
#undef X1_IN
|
|
#undef X2_IN
|
|
#undef Y1_IN
|
|
#undef Y2_IN
|
|
#undef R_NEW
|
|
}
|
|
|
|
EAPI Cutout_Rects *
|
|
evas_common_draw_context_apply_cutouts(RGBA_Draw_Context *dc, Cutout_Rects *reuse)
|
|
{
|
|
Cutout_Rects *res = NULL;
|
|
int i;
|
|
int j;
|
|
|
|
if (!dc->clip.use) return NULL;
|
|
if ((dc->clip.w <= 0) || (dc->clip.h <= 0)) return NULL;
|
|
|
|
|
|
if (!reuse)
|
|
{
|
|
res = evas_common_draw_context_cutouts_new();
|
|
}
|
|
else
|
|
{
|
|
evas_common_draw_context_cutouts_free(reuse);
|
|
res = reuse;
|
|
}
|
|
evas_common_draw_context_cutouts_add(res, dc->clip.x, dc->clip.y, dc->clip.w, dc->clip.h);
|
|
|
|
for (i = 0; i < dc->cutout.active; ++i)
|
|
{
|
|
/* Don't loop on the element just added to the list as they are already correctly clipped. */
|
|
int active = res->active;
|
|
|
|
for (j = 0; j < active; )
|
|
{
|
|
if (evas_common_draw_context_cutout_split(res, j, dc->cutout.rects + i))
|
|
++j;
|
|
else
|
|
active--;
|
|
}
|
|
}
|
|
/* merge rects */
|
|
#define RI res->rects[i]
|
|
#define RJ res->rects[j]
|
|
if (res->active > 1)
|
|
{
|
|
int found = 1;
|
|
|
|
while (found)
|
|
{
|
|
found = 0;
|
|
for (i = 0; i < res->active; i++)
|
|
{
|
|
for (j = i + 1; j < res->active; j++)
|
|
{
|
|
/* skip empty rects we are removing */
|
|
if (RJ.w == 0) continue;
|
|
/* check if its same width, immediately above or below */
|
|
if ((RJ.w == RI.w) && (RJ.x == RI.x))
|
|
{
|
|
if ((RJ.y + RJ.h) == RI.y) /* above */
|
|
{
|
|
RI.y = RJ.y;
|
|
RI.h += RJ.h;
|
|
RJ.w = 0;
|
|
found = 1;
|
|
}
|
|
else if ((RI.y + RI.h) == RJ.y) /* below */
|
|
{
|
|
RI.h += RJ.h;
|
|
RJ.w = 0;
|
|
found = 1;
|
|
}
|
|
}
|
|
/* check if its same height, immediately left or right */
|
|
else if ((RJ.h == RI.h) && (RJ.y == RI.y))
|
|
{
|
|
if ((RJ.x + RJ.w) == RI.x) /* left */
|
|
{
|
|
RI.x = RJ.x;
|
|
RI.w += RJ.w;
|
|
RJ.w = 0;
|
|
found = 1;
|
|
}
|
|
else if ((RI.x + RI.w) == RJ.x) /* right */
|
|
{
|
|
RI.w += RJ.w;
|
|
RJ.w = 0;
|
|
found = 1;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
/* Repack the cutout */
|
|
j = 0;
|
|
for (i = 0; i < res->active; i++)
|
|
{
|
|
if (RI.w == 0) continue;
|
|
if (i != j)
|
|
RJ = RI;
|
|
j++;
|
|
}
|
|
res->active = j;
|
|
return res;
|
|
}
|
|
return res;
|
|
}
|
|
|
|
EAPI void
|
|
evas_common_draw_context_apply_clear_cutouts(Cutout_Rects *rects)
|
|
{
|
|
evas_common_draw_context_apply_clean_cutouts(rects);
|
|
free(rects);
|
|
}
|
|
|
|
EAPI void
|
|
evas_common_draw_context_apply_clean_cutouts(Cutout_Rects *rects)
|
|
{
|
|
free(rects->rects);
|
|
rects->rects = NULL;
|
|
rects->active = 0;
|
|
rects->max = 0;
|
|
rects->last_add.w = 0;
|
|
}
|
|
|
|
EAPI void
|
|
evas_common_draw_context_set_anti_alias(RGBA_Draw_Context *dc , unsigned char aa)
|
|
{
|
|
dc->anti_alias = !!aa;
|
|
}
|
|
|
|
EAPI void
|
|
evas_common_draw_context_set_color_interpolation(RGBA_Draw_Context *dc, int color_space)
|
|
{
|
|
dc->interpolation.color_space = color_space;
|
|
}
|
|
|
|
EAPI void
|
|
evas_common_draw_context_set_render_op(RGBA_Draw_Context *dc , int op)
|
|
{
|
|
dc->render_op = op;
|
|
}
|
|
|
|
EAPI void
|
|
evas_common_draw_context_set_sli(RGBA_Draw_Context *dc, int y, int h)
|
|
{
|
|
dc->sli.y = y;
|
|
dc->sli.h = h;
|
|
}
|