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app: Make sure outline and brush transform use the same kind of matrix

This commit is contained in:
Alexia Death 2010-03-17 19:48:12 +02:00
parent 54d0f5ef9a
commit 3607a73744
3 changed files with 34 additions and 34 deletions
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49
app/core/gimpbrush-transform.c
View File

@ -35,11 +35,6 @@
/* local function prototypes */
static void gimp_brush_transform_matrix (TempBuf *brush,
gdouble scale_x,
gdouble scale_y,
gdouble angle,
GimpMatrix3 *matrix);
static void gimp_brush_transform_bounding_box (TempBuf *brush,
const GimpMatrix3 *matrix,
gint *x,
@ -47,12 +42,12 @@ static void gimp_brush_transform_bounding_box (TempBuf *brush,
gint *width,
gint *height);
static gdouble gimp_brush_transform_array_sum (gfloat *arr,
static gdouble gimp_brush_transform_array_sum (gfloat *arr,
gint len);
static void gimp_brush_transform_fill_blur_kernel (gfloat *arr,
gint len);
static gint gimp_brush_transform_blur_kernel_size (gint height,
gint width,
static gint gimp_brush_transform_blur_kernel_size (gint height,
gint width,
gdouble hardness);
#define MAX_BLUR_KERNEL 15
/* public functions */
@ -69,10 +64,10 @@ gimp_brush_real_transform_size (GimpBrush *brush,
gint x, y;
if (aspect_ratio < 1.0)
gimp_brush_transform_matrix (brush->mask,
gimp_brush_transform_matrix (brush->mask->width, brush->mask->height,
scale * aspect_ratio, scale, angle, &matrix);
else
gimp_brush_transform_matrix (brush->mask,
gimp_brush_transform_matrix (brush->mask->width, brush->mask->height,
scale, scale / aspect_ratio, angle, &matrix);
gimp_brush_transform_bounding_box (brush->mask, &matrix, &x, &y, width, height);
@ -179,10 +174,10 @@ gimp_brush_real_transform_mask (GimpBrush *brush,
source = temp_buf_copy (brush->mask, NULL);
if (aspect_ratio < 1.0)
gimp_brush_transform_matrix (source,
gimp_brush_transform_matrix (source->height, source->width,
scale * aspect_ratio, scale, angle, &matrix);
else
gimp_brush_transform_matrix (source,
gimp_brush_transform_matrix (source->height, source->width,
scale, scale / aspect_ratio, angle, &matrix);
if (gimp_matrix3_is_identity (&matrix))
@ -338,7 +333,7 @@ gimp_brush_real_transform_mask (GimpBrush *brush,
TempBuf *blur_src;
PixelRegion srcPR;
PixelRegion destPR;
gint kernel_size = gimp_brush_transform_blur_kernel_size ( result->height,
gint kernel_size = gimp_brush_transform_blur_kernel_size ( result->height,
result->width,
hardness);
gint kernel_len = kernel_size * kernel_size;
@ -356,7 +351,7 @@ gimp_brush_real_transform_mask (GimpBrush *brush,
GIMP_NORMAL_CONVOL, FALSE);
}
return result;
}
@ -466,10 +461,10 @@ gimp_brush_real_transform_pixmap (GimpBrush *brush,
source = brush->pixmap;
if (aspect_ratio < 1.0)
gimp_brush_transform_matrix (source,
gimp_brush_transform_matrix (source->height, source->width,
scale * aspect_ratio, scale, angle, &matrix);
else
gimp_brush_transform_matrix (source,
gimp_brush_transform_matrix (source->height, source->width,
scale, scale / aspect_ratio, angle, &matrix);
if (gimp_matrix3_is_identity (&matrix))
@ -631,7 +626,7 @@ gimp_brush_real_transform_pixmap (GimpBrush *brush,
TempBuf *blur_src;
PixelRegion srcPR;
PixelRegion destPR;
gint kernel_size = gimp_brush_transform_blur_kernel_size ( result->height,
gint kernel_size = gimp_brush_transform_blur_kernel_size ( result->height,
result->width,
hardness);
gint kernel_len = kernel_size * kernel_size;
@ -654,17 +649,17 @@ gimp_brush_real_transform_pixmap (GimpBrush *brush,
}
/* private functions */
static void
gimp_brush_transform_matrix (TempBuf *brush,
void
gimp_brush_transform_matrix (gdouble width,
gdouble height,
gdouble scale_x,
gdouble scale_y,
gdouble angle,
GimpMatrix3 *matrix)
{
const gdouble center_x = brush->width / 2;
const gdouble center_y = brush->height / 2;
const gdouble center_x = width / 2;
const gdouble center_y = height / 2;
gimp_matrix3_identity (matrix);
gimp_matrix3_translate (matrix, - center_x, - center_y);
@ -673,6 +668,8 @@ gimp_brush_transform_matrix (TempBuf *brush,
gimp_matrix3_scale (matrix, scale_x, scale_y);
}
/* private functions */
static void
gimp_brush_transform_bounding_box (TempBuf *brush,
const GimpMatrix3 *matrix,
@ -729,16 +726,16 @@ gimp_brush_transform_fill_blur_kernel (gfloat *arr, gint len)
}
static gint
gimp_brush_transform_blur_kernel_size (gint height,
gint width,
gimp_brush_transform_blur_kernel_size (gint height,
gint width,
gdouble hardness)
{
gint kernel_size = MIN (MAX_BLUR_KERNEL, MIN(width, height)) *
gint kernel_size = MIN (MAX_BLUR_KERNEL, MIN(width, height)) *
((MIN (width, height) * (1.0 - hardness)) / MIN (width, height));
/*Kernel size must be odd*/
if ( kernel_size % 2 == 0) kernel_size++;
return kernel_size;
}

7
app/core/gimpbrush-transform.h
View File

@ -40,5 +40,12 @@ TempBuf * gimp_brush_real_transform_pixmap (GimpBrush *brush,
gdouble angle,
gdouble hardness);
void gimp_brush_transform_matrix (gdouble width,
gdouble height,
gdouble scale_x,
gdouble scale_y,
gdouble angle,
GimpMatrix3 *matrix);
#endif /* __GIMP_BRUSH_SCALE_H__ */

12
app/paint/gimpbrushcore.c
View File

@ -38,6 +38,7 @@
#include "core/gimperror.h"
#include "core/gimpimage.h"
#include "core/gimpmarshal.h"
#include "core/gimpbrush-transform.h"
#include "gimpbrushcore.h"
#include "gimpbrushcore-kernels.h"
@ -1043,16 +1044,11 @@ gimp_brush_core_transform_bound_segs (GimpBrushCore *core,
if ((scale > 0.0) && (aspect_ratio > 0.0))
{
const gdouble center_x = width / 2;
const gdouble center_y = height / 2;
scale = gimp_brush_core_clamp_brush_scale (core, scale);
gimp_matrix3_identity (&matrix);
gimp_matrix3_translate (&matrix, - center_x, - center_y);
gimp_matrix3_rotate (&matrix, -2 * G_PI * angle);
gimp_matrix3_translate (&matrix, center_x, center_y);
gimp_matrix3_scale (&matrix, scale_x, scale_y);
gimp_brush_transform_matrix (height, width,
scale_y, scale_x, angle, &matrix);
core->transformed_brush_bound_segs
= boundary_transform (core->brush_bound_segs,