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Version 0.1 of raqm, shipping in Fedora, has a differently sized raqm_glyph_t struct
This commit is contained in:
Eric Soroos
Eric Soroos
parent
1852368089
commit
55b029e87a
46
_imagingft.c
46
_imagingft.c
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@ -95,10 +95,13 @@ typedef bool (*t_raqm_set_freetype_face) (raqm_t *rq,
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typedef bool (*t_raqm_layout) (raqm_t *rq);
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typedef raqm_glyph_t* (*t_raqm_get_glyphs) (raqm_t *rq,
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size_t *length);
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typedef raqm_glyph_t_01* (*t_raqm_get_glyphs_01) (raqm_t *rq,
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size_t *length);
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typedef void (*t_raqm_destroy) (raqm_t *rq);
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typedef struct {
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void* raqm;
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int version;
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t_raqm_create create;
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t_raqm_set_text set_text;
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t_raqm_set_text_utf8 set_text_utf8;
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@ -107,6 +110,7 @@ typedef struct {
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t_raqm_set_freetype_face set_freetype_face;
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t_raqm_layout layout;
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t_raqm_get_glyphs get_glyphs;
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t_raqm_get_glyphs_01 get_glyphs_01;
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t_raqm_destroy destroy;
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} p_raqm_func;
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@ -159,8 +163,14 @@ setraqm(void)
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p_raqm.add_font_feature = (t_raqm_add_font_feature)dlsym(p_raqm.raqm, "raqm_add_font_feature");
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p_raqm.set_freetype_face = (t_raqm_set_freetype_face)dlsym(p_raqm.raqm, "raqm_set_freetype_face");
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p_raqm.layout = (t_raqm_layout)dlsym(p_raqm.raqm, "raqm_layout");
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p_raqm.get_glyphs = (t_raqm_get_glyphs)dlsym(p_raqm.raqm, "raqm_get_glyphs");
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p_raqm.destroy = (t_raqm_destroy)dlsym(p_raqm.raqm, "raqm_destroy");
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if(dlsym(p_raqm.raqm, "raqm_index_to_position")) {
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p_raqm.get_glyphs = (t_raqm_get_glyphs)dlsym(p_raqm.raqm, "raqm_get_glyphs");
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p_raqm.version = 2;
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} else {
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p_raqm.version = 1;
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p_raqm.get_glyphs_01 = (t_raqm_get_glyphs_01)dlsym(p_raqm.raqm, "raqm_get_glyphs");
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}
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if (dlerror() ||
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!(p_raqm.create &&
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p_raqm.set_text &&
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@ -169,7 +179,7 @@ setraqm(void)
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p_raqm.add_font_feature &&
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p_raqm.set_freetype_face &&
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p_raqm.layout &&
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p_raqm.get_glyphs &&
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(p_raqm.get_glyphs || p_raqm.get_glyphs_01) &&
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p_raqm.destroy)) {
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dlclose(p_raqm.raqm);
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p_raqm.raqm = NULL;
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@ -183,8 +193,14 @@ setraqm(void)
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p_raqm.add_font_feature = (t_raqm_add_font_feature)GetProcAddress(p_raqm.raqm, "raqm_add_font_feature");
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p_raqm.set_freetype_face = (t_raqm_set_freetype_face)GetProcAddress(p_raqm.raqm, "raqm_set_freetype_face");
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p_raqm.layout = (t_raqm_layout)GetProcAddress(p_raqm.raqm, "raqm_layout");
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p_raqm.get_glyphs = (t_raqm_get_glyphs)GetProcAddress(p_raqm.raqm, "raqm_get_glyphs");
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p_raqm.destroy = (t_raqm_destroy)GetProcAddress(p_raqm.raqm, "raqm_destroy");
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if(dlsym(p_raqm.raqm, "raqm_index_to_position")) {
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p_raqm.get_glyphs = (t_raqm_get_glyphs)GetProcAddress(p_raqm.raqm, "raqm_get_glyphs");
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p_raqm.version = 2;
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} else {
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p_raqm.version = 1;
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p_raqm.get_glyphs_01 = (t_raqm_get_glyphs_01)GetProcAddress(p_raqm.raqm, "raqm_get_glyphs");
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}
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if (!(p_raqm.create &&
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p_raqm.set_text &&
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p_raqm.set_text_utf8 &&
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@ -192,7 +208,7 @@ setraqm(void)
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p_raqm.add_font_feature &&
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p_raqm.set_freetype_face &&
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p_raqm.layout &&
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p_raqm.get_glyphs &&
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(p_raqm.get_glyphs || p_raqm.get_glyphs_01) &&
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p_raqm.destroy)) {
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FreeLibrary(p_raqm.raqm);
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p_raqm.raqm = NULL;
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@ -322,7 +338,8 @@ text_layout_raqm(PyObject* string, FontObject* self, const char* dir,
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int i = 0;
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raqm_t *rq;
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size_t count = 0;
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raqm_glyph_t *glyphs;
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raqm_glyph_t *glyphs = NULL;
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raqm_glyph_t_01 *glyphs_01 = NULL;
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raqm_direction_t direction;
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rq = (*p_raqm.create)();
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@ -434,12 +451,21 @@ text_layout_raqm(PyObject* string, FontObject* self, const char* dir,
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goto failed;
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}
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if (p_raqm.version == 1){
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glyphs_01 = (*p_raqm.get_glyphs_01)(rq, &count);
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if (glyphs_01 == NULL) {
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PyErr_SetString(PyExc_ValueError, "raqm_get_glyphs() failed.");
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count = 0;
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goto failed;
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}
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} else { /* version == 2 */
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glyphs = (*p_raqm.get_glyphs)(rq, &count);
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if (glyphs == NULL) {
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PyErr_SetString(PyExc_ValueError, "raqm_get_glyphs() failed.");
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count = 0;
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goto failed;
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}
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}
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(*glyph_info) = PyMem_New(GlyphInfo, count);
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if ((*glyph_info) == NULL) {
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@ -448,6 +474,15 @@ text_layout_raqm(PyObject* string, FontObject* self, const char* dir,
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goto failed;
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}
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if (p_raqm.version == 1){
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for (i = 0; i < count; i++) {
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(*glyph_info)[i].index = glyphs_01[i].index;
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(*glyph_info)[i].x_offset = glyphs_01[i].x_offset;
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(*glyph_info)[i].x_advance = glyphs_01[i].x_advance;
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(*glyph_info)[i].y_offset = glyphs_01[i].y_offset;
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(*glyph_info)[i].cluster = glyphs_01[i].cluster;
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}
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} else {
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for (i = 0; i < count; i++) {
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(*glyph_info)[i].index = glyphs[i].index;
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(*glyph_info)[i].x_offset = glyphs[i].x_offset;
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@ -455,6 +490,7 @@ text_layout_raqm(PyObject* string, FontObject* self, const char* dir,
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(*glyph_info)[i].y_offset = glyphs[i].y_offset;
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(*glyph_info)[i].cluster = glyphs[i].cluster;
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}
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}
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failed:
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(*p_raqm.destroy)(rq);
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@ -94,6 +94,19 @@ typedef struct raqm_glyph_t {
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FT_Face ftface;
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} raqm_glyph_t;
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/**
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* version 0.1 of the raqm_glyph_t structure
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*/
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typedef struct raqm_glyph_t_01 {
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unsigned int index;
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int x_advance;
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int y_advance;
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int x_offset;
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int y_offset;
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uint32_t cluster;
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} raqm_glyph_t_01;
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raqm_t *
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raqm_create (void);
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