comparison: src/text.c
src/text.c
- changeset 71
- baa73a0be3ce
- parent 66
- 8297afa1c29c
equal
deleted
inserted
replaced
| 70:81a089a47eff | 71:baa73a0be3ce |
|---|---|
| 32 | 32 |
| 33 #include <cx/printf.h> | 33 #include <cx/printf.h> |
| 34 | 34 |
| 35 #include <GL/glew.h> | 35 #include <GL/glew.h> |
| 36 | 36 |
| 37 static void asc_text_draw(AscText const *node) { | 37 static void asc_text_update(AscSceneNode *node) { |
| 38 // Obtain shader | 38 AscSprite *sprite = (AscSprite*) node; |
| 39 AscShaderSprite *shader = &asc_active_window->glctx.shader.sprite; | 39 AscText *text = (AscText*) node; |
| 40 | 40 |
| 41 // Upload model matrix | |
| 42 glUniformMatrix4fv(shader->base.model, 1, | |
| 43 GL_FALSE, node->base.world_transform); | |
| 44 | |
| 45 // Bind texture | |
| 46 asc_texture_bind(&node->tex, shader->tex, 0); | |
| 47 | |
| 48 // Apply depth | |
| 49 glUniform1f(shader->depth, (float)(node->base.depth)); | |
| 50 | |
| 51 // Draw mesh | |
| 52 asc_primitives_draw_plane(); | |
| 53 } | |
| 54 | |
| 55 static void asc_text_update(AscText *node) { | |
| 56 // Generate new texture, if required | 41 // Generate new texture, if required |
| 57 if (asc_texture_uninitialized(&node->tex)) { | 42 if (asc_texture_uninitialized(&sprite->tex)) { |
| 58 asc_texture_init_rectangle(&node->tex); | 43 asc_texture_init_rectangle(&sprite->tex); |
| 59 } | 44 } |
| 60 | 45 |
| 61 // Render text onto a surface | 46 // Render text onto a surface |
| 62 TTF_Font *font = asc_font_load(node->font); | 47 TTF_Font *font = asc_font_load(text->font); |
| 63 static int alignments[] = { | 48 static int alignments[] = { |
| 64 TTF_WRAPPED_ALIGN_LEFT, | 49 TTF_WRAPPED_ALIGN_LEFT, |
| 65 TTF_WRAPPED_ALIGN_CENTER, | 50 TTF_WRAPPED_ALIGN_CENTER, |
| 66 TTF_WRAPPED_ALIGN_RIGHT | 51 TTF_WRAPPED_ALIGN_RIGHT |
| 67 }; | 52 }; |
| 68 TTF_SetFontWrappedAlign( | 53 TTF_SetFontWrappedAlign( |
| 69 font, alignments[node->base.flags & ASC_TEXT_ALIGNMENT_MASK]); | 54 font, alignments[text->base.data.flags & ASC_TEXT_ALIGNMENT_MASK]); |
| 70 SDL_Surface *surface = TTF_RenderUTF8_Blended_Wrapped( | 55 SDL_Surface *surface = TTF_RenderUTF8_Blended_Wrapped( |
| 71 font, node->text.ptr, asc_col_sdl(node->color), node->max_width | 56 font, text->text.ptr, asc_col_sdl(text->color), text->max_width |
| 72 ); | 57 ); |
| 73 if (surface == NULL) { | 58 if (surface == NULL) { |
| 74 asc_error(SDL_GetError()); | 59 asc_error(SDL_GetError()); |
| 75 return; | 60 return; |
| 76 } | 61 } |
| 77 asc_set_scale2d(&node->base, surface->w, surface->h); | 62 asc_set_scale2d(node, surface->w, surface->h); |
| 78 if (asc_test_flag(node->base.flags, ASC_TEXT_CENTERED_FLAG)) { | 63 if (asc_test_flag(text->base.data.flags, ASC_TEXT_CENTERED_FLAG)) { |
| 79 unsigned short newoffx = surface->w / 2; | 64 unsigned short newoffx = surface->w / 2; |
| 80 asc_vec2i pos = asc_get_position2d(&node->base); | 65 asc_vec2i pos = asc_get_position2d(node); |
| 81 asc_set_position2d(&node->base, pos.x + node->offx - newoffx, pos.y); | 66 asc_set_position2d(node, pos.x + text->offx - newoffx, pos.y); |
| 82 node->offx = newoffx; | 67 text->offx = newoffx; |
| 83 } | 68 } |
| 84 | 69 |
| 85 // Transfer Image Data | 70 // Transfer Image Data |
| 86 asc_texture_from_surface(&node->tex, surface); | 71 asc_texture_from_surface(&sprite->tex, surface); |
| 87 | 72 |
| 88 // Free the surface | 73 // Free the surface |
| 89 SDL_FreeSurface(surface); | 74 SDL_FreeSurface(surface); |
| 90 } | 75 } |
| 91 | 76 |
| 77 static void asc_text_free(AscSceneNode *node) { | |
| 78 AscText *text = (AscText*) node; | |
| 79 AscSprite *sprite = (AscSprite*) node; | |
| 80 asc_texture_destroy(&sprite->tex); | |
| 81 cx_strfree(&text->text); | |
| 82 free(node); | |
| 83 } | |
| 84 | |
| 92 AscSceneNode *asc_text_create(struct asc_text_create_args args) { | 85 AscSceneNode *asc_text_create(struct asc_text_create_args args) { |
| 93 AscText *node = calloc(1, sizeof(AscText)); | 86 AscText *text = calloc(1, sizeof(AscText)); |
| 87 AscSceneNode *node = (AscSceneNode*) text; | |
| 94 | 88 |
| 95 node->base.render_group = ASC_RENDER_GROUP_SPRITE_BLEND; | 89 node->render_group = ASC_RENDER_GROUP_SPRITE_BLEND; |
| 96 node->base.free_func = (asc_scene_free_func) asc_text_free; | 90 node->free_func = asc_text_free; |
| 97 node->base.update_func = (asc_scene_update_func) asc_text_update; | 91 node->update_func = asc_text_update; |
| 98 node->base.draw_func = (asc_scene_draw_func) asc_text_draw; | |
| 99 | 92 |
| 100 node->base.flags = args.alignment; | 93 node->flags = args.alignment; |
| 101 node->base.position.x = (float) args.x; | 94 node->position.x = (float) args.x; |
| 102 node->base.position.y = (float) args.y; | 95 node->position.y = (float) args.y; |
| 103 node->max_width = args.max_width; | 96 text->max_width = args.max_width; |
| 104 node->font = asc_active_font; | 97 text->font = asc_active_font; |
| 105 node->color = asc_context.ink; | 98 text->color = asc_context.ink; |
| 106 if (args.text == NULL) { | 99 if (args.text == NULL) { |
| 107 node->text = cx_mutstr(strdup(" ")); | 100 text->text = cx_mutstr(strdup(" ")); |
| 108 } else { | 101 } else { |
| 109 node->text = cx_mutstr(strdup(args.text)); | 102 text->text = cx_mutstr(strdup(args.text)); |
| 110 } | 103 } |
| 111 | 104 |
| 112 // initialize | 105 // initialize |
| 113 asc_text_update(node); | 106 asc_text_update(node); |
| 114 | 107 |
| 115 return &node->base; | 108 return node; |
| 116 } | |
| 117 | |
| 118 void asc_text_free(AscText *node) { | |
| 119 asc_texture_destroy(&node->tex); | |
| 120 cx_strfree(&node->text); | |
| 121 free(node); | |
| 122 } | 109 } |
| 123 | 110 |
| 124 void asc_text_printf( | 111 void asc_text_printf( |
| 125 AscSceneNode *node, | 112 AscSceneNode *node, |
| 126 char const* format, | 113 char const* format, |
