forked from enlightenment/efl
195 lines
7.1 KiB
C
195 lines
7.1 KiB
C
#ifdef HAVE_CONFIG_H
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# include "config.h"
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#endif
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#include <math.h>
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#include <float.h>
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#include <Eina.h>
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#include <Ector.h>
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#include <software/Ector_Software.h>
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#include "ector_private.h"
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#include "ector_software_private.h"
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#define MY_CLASS ECTOR_RENDERER_SOFTWARE_IMAGE_CLASS
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typedef struct _Ector_Renderer_Software_Image_Data Ector_Renderer_Software_Image_Data;
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struct _Ector_Renderer_Software_Image_Data
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{
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Ector_Software_Surface_Data *surface;
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Ector_Renderer_Image_Data *image;
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Ector_Renderer_Data *base;
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Ector_Buffer *comp;
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Ector_Renderer_Composite_Method comp_method;
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int opacity;
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Eina_Matrix3 inv_m;
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struct {
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int x1, y1, x2, y2;
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} boundary;
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};
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static Eina_Bool
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_ector_renderer_software_image_ector_renderer_prepare(Eo *obj,
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Ector_Renderer_Software_Image_Data *pd)
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{
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if (!pd->surface)
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pd->surface = efl_data_xref(pd->base->surface, ECTOR_SOFTWARE_SURFACE_CLASS, obj);
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if (!pd->image->buffer || !pd->surface->rasterizer->fill_data.raster_buffer)
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return EINA_FALSE;
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Eina_Matrix3 m;
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double m11, m12, m21, m22, m31, m32;
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int x = pd->surface->x + (int)pd->base->origin.x;
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int y = pd->surface->y + (int)pd->base->origin.y;
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int image_w, image_h;
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ector_buffer_size_get(pd->image->buffer, &image_w, &image_h);
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double px[4] = {x, x + image_w, x, x + image_w};
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double py[4] = {y, y, y + image_h, y + image_h};
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//Only use alpha color
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pd->opacity = pd->base->color.a;
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/*ector_software_rasterizer_color_set(pd->surface->rasterizer,
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pd->base->color.r,
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pd->base->color.g,
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pd->base->color.b,
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pd->base->color.a);*/
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if (!pd->base->m)
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{
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eina_matrix3_identity(&m);
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eina_matrix3_scale(&m, (double)pd->surface->rasterizer->fill_data.raster_buffer->generic->w / (double)image_w,
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(double)pd->surface->rasterizer->fill_data.raster_buffer->generic->h / (double)image_h);
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}
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else
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eina_matrix3_copy(&m, pd->base->m);
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eina_matrix3_values_get(&m, &m11, &m12, NULL,
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&m21, &m22, NULL,
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&m31, &m32, NULL);
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//Calc draw boundbox
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pd->boundary.x1 = MAX(pd->surface->rasterizer->fill_data.raster_buffer->generic->w , (unsigned int)image_w);
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pd->boundary.y1 = MAX(pd->surface->rasterizer->fill_data.raster_buffer->generic->h , (unsigned int)image_h);
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pd->boundary.x2 = 0; pd->boundary.y2 = 0;
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for (int i = 0; i < 4; i++)
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{
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pd->boundary.x1 = MIN(pd->boundary.x1, (int)(((px[i] * m11) + (py[i] * m21) + m31) + 0.5));
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pd->boundary.y1 = MIN(pd->boundary.y1, (int)(((px[i] * m12) + (py[i] * m22) + m32) + 0.5));
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pd->boundary.x2 = MAX(pd->boundary.x2, (int)(((px[i] * m11) + (py[i] * m21) + m31) + 0.5));
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pd->boundary.y2 = MAX(pd->boundary.y2, (int)(((px[i] * m12) + (py[i] * m22) + m32) + 0.5));
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}
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eina_matrix3_inverse(&m, &pd->inv_m);
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return EINA_TRUE;
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}
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//FIXME: We need to implement that apply op, clips and mul_col.
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static Eina_Bool
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_ector_renderer_software_image_ector_renderer_draw(Eo *obj EINA_UNUSED,
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Ector_Renderer_Software_Image_Data *pd,
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Efl_Gfx_Render_Op op EINA_UNUSED, Eina_Array *clips EINA_UNUSED,
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unsigned int mul_col EINA_UNUSED)
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{
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if (!pd->image->buffer || !pd->surface->rasterizer->fill_data.raster_buffer->pixels.u32)
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return EINA_FALSE;
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if (pd->opacity == 0)
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return EINA_TRUE;
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const int pix_stride = pd->surface->rasterizer->fill_data.raster_buffer->stride / 4;
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Ector_Software_Buffer_Base_Data *comp = pd->comp ? efl_data_scope_get(pd->comp, ECTOR_SOFTWARE_BUFFER_BASE_MIXIN) : NULL;
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Ector_Software_Buffer_Base_Data *bpd = efl_data_scope_get(pd->image->buffer, ECTOR_SOFTWARE_BUFFER_BASE_MIXIN);
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double im11, im12, im21, im22, im31, im32;
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uint32_t *dst_buf, *src_buf;
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int image_w, image_h;
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ector_buffer_size_get(pd->image->buffer, &image_w, &image_h);
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dst_buf = pd->surface->rasterizer->fill_data.raster_buffer->pixels.u32;
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src_buf = bpd->pixels.u32;
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eina_matrix3_values_get(&pd->inv_m, &im11, &im12, NULL,
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&im21, &im22, NULL,
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&im31, &im32, NULL);
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//Draw
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for (int local_y = pd->boundary.y1; local_y < pd->boundary.y2; local_y++)
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{
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for (int local_x = pd->boundary.x1; local_x < pd->boundary.x2; local_x++)
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{
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uint32_t *dst = dst_buf + ((int)local_x + ((int)local_y * pix_stride));
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int rx, ry;
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rx = (int)(((double)local_x * im11) + ((double)local_y * im21) + im31 + 0.5);
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ry = (int)(((double)local_x * im12) + ((double)local_y * im22) + im32 + 0.5);
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if (rx < 0 || rx >= image_w || ry < 0 || ry >= image_h)
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continue;
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uint32_t *src = src_buf + (rx + (ry * image_w)); //FIXME: use to stride
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uint32_t temp = 0x0;
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if (comp)
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{
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uint32_t *m = comp->pixels.u32 + ((int)local_x + ((int)local_y * comp->generic->w));
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//FIXME : This comping can work only matte case.
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// We need consider to inverse matte case.
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temp = draw_mul_256((((*m)>>24) * pd->opacity)>>8, *src);
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}
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else
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{
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temp = draw_mul_256(pd->opacity, *src);
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}
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int inv_alpha = 255 - ((temp) >> 24);
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*dst = temp + draw_mul_256(inv_alpha, *dst);
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}
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}
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return EINA_TRUE;
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}
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static Eo *
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_ector_renderer_software_image_efl_object_constructor(Eo *obj, Ector_Renderer_Software_Image_Data *pd)
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{
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obj = efl_constructor(efl_super(obj, MY_CLASS));
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if (!obj) return NULL;
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pd->image = efl_data_xref(obj, ECTOR_RENDERER_IMAGE_MIXIN, obj);
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pd->base = efl_data_xref(obj, ECTOR_RENDERER_CLASS, obj);
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return obj;
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}
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static void
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_ector_renderer_software_image_efl_object_destructor(Eo *obj, Ector_Renderer_Software_Image_Data *pd)
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{
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efl_data_xunref(pd->base->surface, pd->surface, obj);
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efl_data_xunref(obj, pd->base, obj);
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efl_data_xunref(obj, pd->image, obj);
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efl_destructor(efl_super(obj, MY_CLASS));
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}
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unsigned int
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_ector_renderer_software_image_ector_renderer_crc_get(const Eo *obj,
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Ector_Renderer_Software_Image_Data *pd)
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{
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unsigned int crc;
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crc = ector_renderer_crc_get(efl_super(obj, MY_CLASS));
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crc = eina_crc((void*) pd->image, sizeof (Ector_Renderer_Image_Data), crc, EINA_FALSE);
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return crc;
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}
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static void
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_ector_renderer_software_image_ector_renderer_comp_method_set(Eo *obj EINA_UNUSED,
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Ector_Renderer_Software_Image_Data *pd,
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Ector_Buffer *comp,
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Ector_Renderer_Composite_Method method)
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{
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pd->comp = comp;
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pd->comp_method = method;
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}
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#include "ector_renderer_software_image.eo.c"
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