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authorFelipe Magno de Almeida <felipe@expertise.dev>2020-12-15 23:02:20 -0300
committerFelipe Magno de Almeida <felipe@expertise.dev>2020-12-15 23:06:12 -0300
commit0363fd8238c3df734c856a48cbb831b9651ed089 (patch)
tree951895156f0a5dd6aa7e88d8a602c58d79251c50 /src/lib/evas/common/evas_font_draw.h
parent75f07e41c0242123f9e4e5dcbc303ad46ea0849b (diff)
evas: Rename EAPI macro to EVAS_API in Evas library
Summary: Patch from a series of patches to rename EAPI symbols to specific library DSOs. = The Rationale = This patch is from a series of patches to rename EAPI symbols to specific library DSOs. EAPI was designed to be able to pass `__attribute__ ((visibility ("default")))` for symbols with GCC, which would mean that even if -fvisibility=hidden was used when compiling the library, the needed symbols would get exported. MSVC __almost__ works like GCC (or mingw) in which you can declare everything as export and it will just work (slower, but it will work). But there's a caveat: global variables will not work the same way for MSVC, but works for mingw and GCC. For global variables (as opposed to functions), MSVC requires correct DSO visibility for MSVC: instead of declaring a symbol as export for everything, you need to declare it as import when importing from another DSO and export when defining it locally. With current EAPI definitions, we get the following example working in mingw and MSVC (observe it doesn't define any global variables as exported symbols). Example 1: dll1: ``` EAPI void foo(void); EAPI void bar() { foo(); } ``` dll2: ``` EAPI void foo() { printf ("foo\n"); } ``` This works fine with API defined as __declspec(dllexport) in both cases and for gcc defining as `__atttribute__((visibility("default")))`. However, the following: Example 2: dll1: ``` EAPI extern int foo; EAPI void foobar(void); EAPI void bar() { foo = 5; foobar(); } ``` dll2: ``` EAPI int foo = 0; EAPI void foobar() { printf ("foo %d\n", foo); } ``` This will work on mingw but will not work for MSVC. And that's why LIBAPI is the only solution that works for MSVC. Co-authored-by: João Paulo Taylor Ienczak Zanette <jpaulotiz@gmail.com> Co-authored-by: Lucas Cavalcante de Sousa <lucks.sousa@gmail.com> Co-authored-by: Ricardo Campos <ricardo.campos@expertise.dev> Reviewers: vtorri, woohyun, jptiz, lucas Reviewed By: vtorri, lucas Subscribers: cedric, #reviewers, #committers Tags: #efl Differential Revision: https://phab.enlightenment.org/D12214
Diffstat (limited to '')
-rw-r--r--src/lib/evas/common/evas_font_draw.h16
1 files changed, 8 insertions, 8 deletions
diff --git a/src/lib/evas/common/evas_font_draw.h b/src/lib/evas/common/evas_font_draw.h
index 2fdfc36e12..cf31d6b385 100644
--- a/src/lib/evas/common/evas_font_draw.h
+++ b/src/lib/evas/common/evas_font_draw.h
@@ -6,13 +6,13 @@
6/* draw */ 6/* draw */
7typedef Eina_Bool (*Evas_Common_Font_Draw_Cb)(RGBA_Image *dst, RGBA_Draw_Context *dc, int x, int y, Evas_Glyph_Array *glyphs, RGBA_Gfx_Func func, int ext_x, int ext_y, int ext_w, int ext_h, int im_w, int im_h); 7typedef Eina_Bool (*Evas_Common_Font_Draw_Cb)(RGBA_Image *dst, RGBA_Draw_Context *dc, int x, int y, Evas_Glyph_Array *glyphs, RGBA_Gfx_Func func, int ext_x, int ext_y, int ext_w, int ext_h, int im_w, int im_h);
8 8
9EAPI Eina_Bool evas_common_font_draw_cb (RGBA_Image *dst, RGBA_Draw_Context *dc, int x, int y, Evas_Glyph_Array *glyphs, Evas_Common_Font_Draw_Cb cb); 9EVAS_API Eina_Bool evas_common_font_draw_cb (RGBA_Image *dst, RGBA_Draw_Context *dc, int x, int y, Evas_Glyph_Array *glyphs, Evas_Common_Font_Draw_Cb cb);
10EAPI void evas_common_font_draw (RGBA_Image *dst, RGBA_Draw_Context *dc, int x, int y, Evas_Glyph_Array *glyphs); 10EVAS_API void evas_common_font_draw (RGBA_Image *dst, RGBA_Draw_Context *dc, int x, int y, Evas_Glyph_Array *glyphs);
11EAPI Eina_Bool evas_common_font_rgba_draw (RGBA_Image *dst, RGBA_Draw_Context *dc, int x, int y, Evas_Glyph_Array *glyphs, RGBA_Gfx_Func func, int ext_x, int ext_y, int ext_w, int ext_h, int im_w, int im_h); 11EVAS_API Eina_Bool evas_common_font_rgba_draw (RGBA_Image *dst, RGBA_Draw_Context *dc, int x, int y, Evas_Glyph_Array *glyphs, RGBA_Gfx_Func func, int ext_x, int ext_y, int ext_w, int ext_h, int im_w, int im_h);
12EAPI void evas_common_font_draw_init (void); 12EVAS_API void evas_common_font_draw_init (void);
13EAPI void evas_common_font_draw_prepare (Evas_Text_Props *text_props); 13EVAS_API void evas_common_font_draw_prepare (Evas_Text_Props *text_props);
14EAPI void evas_common_font_draw_do (const Cutout_Rects *reuse, const Eina_Rectangle *clip, RGBA_Gfx_Func func, RGBA_Image *dst, RGBA_Draw_Context *dc, int x, int y, const Evas_Text_Props *text_props); 14EVAS_API void evas_common_font_draw_do (const Cutout_Rects *reuse, const Eina_Rectangle *clip, RGBA_Gfx_Func func, RGBA_Image *dst, RGBA_Draw_Context *dc, int x, int y, const Evas_Text_Props *text_props);
15EAPI Eina_Bool evas_common_font_draw_prepare_cutout (Cutout_Rects **reuse, RGBA_Image *dst, RGBA_Draw_Context *dc, RGBA_Gfx_Func *func); 15EVAS_API Eina_Bool evas_common_font_draw_prepare_cutout (Cutout_Rects **reuse, RGBA_Image *dst, RGBA_Draw_Context *dc, RGBA_Gfx_Func *func);
16EAPI void evas_common_font_glyph_draw (RGBA_Font_Glyph *fg, RGBA_Draw_Context *dc, RGBA_Image *dst, int dst_pitch, int dx, int dy, int dw, int dh, int cx, int cy, int cw, int ch); 16EVAS_API void evas_common_font_glyph_draw (RGBA_Font_Glyph *fg, RGBA_Draw_Context *dc, RGBA_Image *dst, int dst_pitch, int dx, int dy, int dw, int dh, int cx, int cy, int cw, int ch);
17 17
18#endif /* _EVAS_FONT_DRAW_H */ 18#endif /* _EVAS_FONT_DRAW_H */